Alphabetical List of GREEK/LATIN roots, stems, & prefixes commonly used in English

1 ab:-, a:-, abs:-   LATIN abnormal, abrasion, absent, abstain, abstract, aversion  
2 ac:- sharp / pointed LATIN Acupuncture  
3 acerb:- sharp, bitter, sour -LATIN acerbic, exacerbate  
4 acid:- sour or acid -LATIN acidosis  
5 acr:- height, summit, tip -GREEK acrobatics, acromegaly, acronym, acrophobia  
6 acr:- bitter, pungent, sharp, sour LATIN acer, acris acrid, acrimony  
7 acu:- sharp LATIN acupuncture, acute, acutifoliate  
8 ad:-, a:-, ac:-, af:-, ag:-, al:-, ap:-, ar:-, as:-, atmovement to or toward; in addition to LATIN accept, adapt, affect, approximate, ascend  
9 adip:- fat LATIN adipose  
10 aer:- air, atmosphere GREEK aeronautics, aerosol  
11 aesthet:- feeling, sensation GREEK aesthetics, anaesthetic  
12 agr:- field GREEK agronomy  
13 agri:-, egri:- field LATIN agriculture, peregrine  
14 alb:- dull white LATIN albedo, albino, albumen  
15 am:-, amat:-, amor:- love, loved LATIN amateur, amorous  
16 ambi:- both, on both sides LATIN ambidexterity, ambivalent  
17 amic:-, :-imic:- friend LATIN amicable, inimical  
18 amph:-, amphi:- around, about, both,  on both sides of, both kinds GREEK amphibian, amphibolic, amphoterism  
19 ampl:- ample, abundant, bountiful LATIN amplification  
20 an:-, a:- not, without GREEK anhydrous, atypical  
21 ana:-, an:- again, against, back, up GREEK anabaptist, anaphylaxis, anion, anode  
22 andr:- male, masculine GREEK androgen, android  
23 anem:- wind GREEK anemometer  
24 anim:- breath LATIN animal, animation  
25 ann:-, :-enn:- year, yearly LATIN anniversary, annual, biannual, millennium  
26 ant:-, anti:- against, opposed to, preventive GREEK antagonist, antibiotic, antipodes  
27 ante:-, anti:- before, in front of, prior to LATIN antebellum, antediluvian, anticipate, antiquarian  
28 anth:- flower GREEK anther, anthology  
29 anthrop:- human GREEK anthropology, anthropomorphic  
30 ap:-, apo:- away from, separate, at the farthest point GREEK apocrine, apogee, apostasy  
31 aqu:- water LATIN aquamarine, aquarium, aqueduct, aquifer  
32 ar:- plow, till LATIN arable  
33 ar:- be dry LATIN arid  
34 arche:-, archi:- ruler GREEK archangel, archetype  
35 archae:-, arche:- ancient GREEK archaeology or archeology, archaic  
36 arct:- relating to the North Pole or the region near it; relating to cold; used as the scientific name of some bear species, e.g. Ursus arctos horribilis GREEK Arctic Ocean  
37 argent:- silver LATIN argent, Argentina  
38 arist:- excellence GREEK aristocracy  
39 arthr:- joint GREEK arthropod  
40 astr:- star, star:-shaped GREEK asterisk, astrology, astronomy, disaster  
41 athl:- prize GREEK athlete, pentathlon  
42 audi:- hearing, listening, sound LATIN audible, auditorium, auditory  
43 aug:-, auct:- grow, increase LATIN augend, augmentation  
44 aur:- relating to gold, or gold:-colored LATIN aureate, aureole  
45 auri:- relating to the ear LATIN auricle  
46 aut:-, auto:- self; directed from within GREEK autograph, automobile, autonomy  
47 avi:- bird LATIN aviary, aviation  
48 axi:- axis LATIN axisymmetry  
49 axio:- merit GREEK axiology  
50 bac:- rod:-shaped LATIN bacilla, bacteria  
51 bar:- weight, pressure GREEK barograph, barometer  
52 basi:- at the bottom GREEK basic, basis  
53 bathy:-, batho:- deep, depth GREEK batholith, bathyscaphe  
54 be:-, beat:- bless LATIN beatification  
55 bell:- war LATIN antebellum, bellicose, belligerent  
56 ben:- good, well LATIN benefit, benignity  
57 bi:- two LATIN binary, binoculars, bigamy, biscotti  
58 bib:- drink LATIN imbibe  
59 bibl:- book GREEK bible, bibliography  
60 bio:- life GREEK biography, biology, biologist, biosphere, bioluminescent  
61 blenn:- slime GREEK blennophobia, blennosperma  
62 blast:- germ, embryo, bud, cell with nucleus GREEK blastula, fibroblast, osteoblast, sideroblast  
63 bon:- good LATIN– (bonus) bonify, bonitary  
64 bor:- north GREEK– / –LATIN borealis  
65 botan:- plant GREEK botany  
66 bov:- cow, ox LATIN bovine  
67 brachi:- arm GREEK brachial artery, brachiosaurus  
68 brachy:- short GREEK brachydactyly  
69 brady:- slow GREEK bradycardia  
70 branchi:- gill GREEK branchiopod, nudibranch  
71 brev(i):- brief, short (time) LATIN abbreviation, brevity  
72 briz:- nod, slumber GREEK    
73 brom:- oats GREEK Bromus ramosus  
74 brom:- stench GREEK bromide  
75 bronch:- windpipe GREEK bronchitis, bronchus, bronchiole  
76 bront:- thunder GREEK Brontosaurus  
77 bucc:- cheek, mouth, cavity LATIN buccinator muscle  
78 bulb- bulbous LATIN bulbous, bulbule  
79 bull- bubble, flask LATIN ebullient, ebullism  
80 burs:- pouch, purse LATIN bursar, bursary, disburse  
81 cac:- bad GREEK cacophony  
82 cad:-, :-cid:-, cas:- fall LATIN accident, cadence, case  
83 caed:-, :-cid:-, caes:-, :-cis cut LATIN caedere, caesus caesura, incisor  
84 calc:- stone LATIN– &-GREEK calcite, calcium, calculus  
85 call:-, calli:- beautiful GREEK calligraphy  
86 calor:- heat LATIN Calorie  
87 calyp:- cover GREEK Apocalypse  
88 camer:- vault LATIN bicameral, camera  
89 camp:- field LATIN champion, campaign  
90 can:- dog LATIN– canis canine, Canis Major  
91 can:-, :-cin:-, cant:- sing LATIN Cantata, cantor, canto  
92 cap:-, :-cip:-, capt:-, :- cept take ,hold, LATIN capture, captive, conception, recipient  
93 capit:-, cipit:- head LATIN capital, decapitation, precipitation  
94 capr:- goat LATIN caper, capri Capricorn, caprine  
95 caps:- box, case LATIN capsule  
96 carbo:- coal LATIN carbonis carbon  
97 carcer:- jail LATIN incarceration  
98 carcin:- cancer (disease) LATIN– –GREEK carcinoma  
99 cardi:- relating to the heart GREEK cardiograph, cardiology  
100 cardin:- hinge LATIN cardo, cardinis cardinal  
  1. carn:- flesh –LATIN– caro, carnis carnal, carnival, carnivore
  2. carp:- relating to fruit –GREEK– καρπός (karpos) fruit carpology
  3. carp:- relating to the wrist –GREEK– καρπός (karpos) wrist carpal, carpal tunnel syndrome
  4. cast:- pure –LATIN– from –LATIN– castus chaste caste, castigate, castrate
  5. cata:-, cat:- down –GREEK– from –GREEK– κατά (katá) down catabolic, catalyst, catastrophe, catatonia, cathode, cation
  6. caten:- chain –LATIN– catena catenary, concatenation
  7. cathar:- pure –GREEK– καθαρός (katharos) catharsis
  8. caud:- tail –LATIN– cauda caudal
  9. caus:-, :-cus:- cause or motive –LATIN– causa causative
  10. cav:- hollow –LATIN– cavus hollow cave, cavity, excavation
  11. ced:-, cess:- go –LATIN– cedere, cessus procession, recede, secede
  12. celer:- quick –LATIN– celer, celerare acceleration, celerity
  13. cen:- new –GREEK– καινός (kainos) Cenozoic
  14. cen:- empty –GREEK– κενός (kenos) cenotaph
  15. cens:-LATIN– censere to estimate census
  16. cent:- hundred –LATIN– centum cent, centennial, centurion
  17. centen:- hundred each –LATIN– centeni centenary
  18. centesim:- hundredth –LATIN– centesimus centesimal, centesimation
  19. centr:- center –GREEK– κέντρον (kéntron) needle, spur eccentric
  20. cephal:- head –GREEK– κεφαλή (kephale) cephalic, cephalopod, encephalogram
  21. ceram:- clay –GREEK– κέραμος (keramos) ceramic
  22. cerat:- horn –GREEK– κέρας, κέρατος (keras, keratos) horn keratin
  23. cern:- sift –LATIN– cernere discern, secern
  24. cervic:- relating to the neck, relating to the cervix –LATIN– cervix, cervicis neck cervix, cervical
  25. ceter:- other –LATIN– ceterus et cetera
  26. chir:- of the hand or hands –GREEK– χείρ (kheir) hand chiral, chiropractic, chiroptera
  27. chelon:- relating to a turtle –GREEK– χελώνη (khelōne) tortoise chelonia
  28. chlor:- green –GREEK– χλωρός (khlōros) green chlorine, chlorophyll, chloroplast
  29. chore:- relating to dance –GREEK– χορεία khoreia dancing in unison from χορός khoros chorus choreography
  30. chord:- cord –LATIN– and –GREEK– chorda rope from χορδή (chordē) chordata chrom:- color –GREEK– χρῶμα (chrōma) color chromium, chromosome, monochrome
  31. chron:- time –GREEK– χρόνος (chronos) chronic, chronology, chronometer
  32. chrys:- gold –GREEK– χρυσός (khrusos) gold chrysolite
  33. cili:- eyelash –LATIN– cilium cilia, supercilious
  34. cine:- motion –GREEK– κινέω (kineō) cinema
  35. ciner:- ash –LATIN– cinis, cineris incineration
  36. cing:-, cinct:- gird –LATIN– cingere, cinctus succinct
  37. circ:- circle –LATIN– circus circus
  38. circum:- around –LATIN– circum circumcise, circumference, circumlocution, circumnavigate
  39. cirr:- orange –GREEK– κιρρός (kirros) cirrhosis
  40. cirr:- curl, tentacle –LATIN– cirrus cirrus
  41. civ:- citizen –LATIN– civis civility
  42. clad:- branch –GREEK– κλάδος (klados) clade
  43. clar:- clear –LATIN– clarus, clarare clarity, declaration
  44. clast:- broken –GREEK– κλαστός (klastos) iconoclast, osteoclast
  45. claud:-, :-clud:-, claus:-, :-clusclose –LATIN– claudere, clausus clause, exclusion, include
  46. clav:- key –GREEK– from –GREEK– κλείς kleis key from κλείειν, (kleiein) to close clavichord, clavicle, conclave
  47. cl(e)ist:- closed –GREEK– κλειστός (kleistos)
  48. cleithr:- bar, key –GREEK– cleithrum
  49. clement:- mild –LATIN– clemens, clementis clemency, inclement
  50. clin:- bed, lean, recline –LATIN:-clinare declination, inclined
  51. cochl:- shell –GREEK– κόχλος (kochlos) cochlea
  52. coel:- hollow –GREEK– κοῖλος (koilos) blastocoel, coelom, spongocoel
  53. cogn:- know –LATIN– cognoscere cognitive, cognizant, recognize
  54. col:- strain –LATIN– colare, colum colander
  55. coll:- hill –LATIN– collis coll:- neck –LATIN– collum collar
  56. color:- color –LATIN– color coloration, coloratura, tricolor
  57. con:-, co:-, col:-, com:-, cor with, together –LATIN– cum coagulate, collide, compress, connect, contain, corrode
  58. con:- cone –GREEK– κῶνος (kōnos) conic, conical, conoid
  59. condi:- season –LATIN– condire condiment
  60. contra:- against –LATIN– contra contradiction, contrast
  61. copr:- dung –GREEK– κόπρος (kopros) coprolite, coprophagia, coprophilia
  62. corac:- raven –GREEK– κόραξ, κόρακος (korax, korakos) coracoid
  63. cord:- heart –LATIN– cor, cordis accord, cordial
  64. corn:- horn –LATIN– cornu cornea, cornucopia, unicorn
  65. coron:- crown –LATIN– corona, coronare corona, coronation
  66. corpor:- body –LATIN– corpus, corporis corporation, corpse, corpuscle
  67. cortic:- bark –LATIN– cortex, corticis corticosteriod
  68. cosm:- universe –GREEK– κόσμος (kosmos) cosmic, cosmonaut
  69. cosmet:-GREEK– κοσμητ:- (kosmet:-) cosmetics, cosmetology
  70. cost:- rib –LATIN– costa costal
  71. cotyl:- cup –GREEK– κοτύλη (kotulē) cotyledon
  72. :-cracy, :-crat government, rule, authority –GREEK– κράτος (kratos) democracy
  73. crani:- skull –GREEK– κρανίον (kranion) cranium
  74. crass:- thick –LATIN– crassus crassitude
  75. cre:- make –LATIN– creare, creatus creation, creature
  76. cred:- believe, trust –LATIN– credere, creditus credentials, credibility, creditor, incredible
  77. crep:- boot, shoe –GREEK– κρηπίς, κρηπίδος (krēpis, krēpidos)
  78. cribr:- sieve –LATIN– cribrum, cribrare cribble, cribrate ring –GREEK– κρίκος (krikos)
  79. cris:-, crit:- judge –GREEK– κρίσις (crisis) crisis, critic
  80. crisp:- curled –LATIN– crispus crispate
  81. crist:- crest –LATIN– crista cristate
  82. cross:- fringe, tassel –GREEK– κροσσός (krossos)
  83. cruc:- cross –LATIN– crux, crucis crucial, crucifix, crucify, excruciating
  84. crur:- leg, shank –LATIN– crus, cruris crural
  85. crypt:- hidden –GREEK– κρυπτός (kruptos) cryptic, cryptography
  86. cten:- comb –GREEK– κτείς, κτενός (kteis, ktenos) ctenophore
  87. cub:- cube –GREEK– κύβος (kubos) cubic, cuboid
  88. cub:- lie –LATIN– cubare incubation, succuba
  89. culin:- kitchen –LATIN– culina culinary
  90. culp:- blame, fault –LATIN– culpa culpable, exculpate
  91. cune:- wedge –LATIN– cuneus cuneiform
  92. curr:-, curs:- run –LATIN– currere, cursus concurrent, current, cursive, recursion
  93. curv:- bent –LATIN– curvus curvature
  94. cuspid:- lance, point –LATIN– cuspis, cuspidis bicuspid
  95. cut:- skin –LATIN– cutis cuticle
  96. cyan:- blue –GREEK– κυανός (kuanos) cyanide
  97. cycl:- circular –GREEK– κύκλος (kuklos) bicycle, cycle, cyclone
  98. cylind:- roll –GREEK– κύλινδρος (kulindros) cylinder
  99. cyn:- dog –GREEK– κύων, κυνός (kuōn, kunos) cynosure
  100. cyst:- capsule –GREEK– κύστις (kustis) cystic
  101. cyt:- cell –GREEK– κύτος (kutos) cytoplasm, cnidocyte


  • dactyl:- finger, toe, digit –GREEK– δάκτυλος (daktulos) dactylology, pterodactyl
  • damn:-, :-demn:- to inflict loss upon –LATIN– damnāre condemn, damnation
  • de:- from, away from, removing, down –LATIN– dē deletion, dementia, descend
  • deb:- owe –LATIN– debere, debitus debit
  • deca:-, dec:-, deka:-, dekten –GREEK– δέκα deka, ten decagram, decahedron
  • decim:- tenth part –LATIN– decimus, tenth; from decem, ten decimal, decimate
  • delt:-GREEK– δέλτα (delta) deltoid
  • dem:- people –GREEK– δῆμος (dēmos) demagogue, democracy
  • den:- ten each –LATIN– deni denarius, denary
  • dendr:- resembling a tree –GREEK– δένδρον (dendron): akin to δρύς, drys, tree dendrite, dendrochronology
  • dens:- thick –LATIN– densus condense, density
  • dent:- tooth –LATIN– dens, dentis dental, dentifrice, dentures
  • derm:- skin –GREEK– δέρμα (derma) dermis, epidermis, hypodermic
  • deuter:- second –GREEK– δεύτερος (deuteros) Deuteronomy, deuterostome
  • dexter:- right –LATIN– dexter dexterity, dextrose
  • dexi:- right –GREEK– δεξιός, right Dexiarchia
  • di:- two –GREEK– δι:- dicot, diode, dipole
  • dia:- apart, through –GREEK– διά (dia) dialysis, diameter, diagram
  • dict:- say, speak –LATIN– dicere, dictus contradict, dictate, dictation, dictionary, edict, predict
  • digit:- finger –LATIN– digitus digital
  • dino:- terrible, fearfully great –GREEK– δεινός (deinos) dinosaur
  • dipl:- double; twofold –GREEK– διπλός (diplos) diploid, diplosis doc:-,
  • doct:- teach –LATIN– docere, doctus docile, doctor, indoctrinate
  • dodec:- twelve –GREEK– δώδεκα (dodeka) dodecasyllabic dogmat:-,
  • dox:- opinion, tenet –GREEK– δόξα dogmatic, orthodox
  • dom:- house –LATIN– domus dome
  • don:- give –LATIN– donare condone, donation
  • dorm:- sleep –LATIN– dormire dormant, dormitory
  • dors:- back –LATIN– dorsum dorsal
  • du:- two –LATIN– duo dual
  • dub:- doubtful –LATIN– dubius dubious
  • duc:-, duct:- lead –LATIN– dux, ducis abduction, conductor, introduction, production, reduction, deduction
  • dulc:- sweet –LATIN– dulcis dulcet
  • dur:- hard –LATIN– durus durable, duration, duress, endure, obdurate
  • dy:- two –GREEK– δυο (duo) dyad
  • dynam:- power –GREEK– δύναμη (dunamē) dynamism, dynasty, dynamite
  • dys:- badly, ill –GREEK– δυσ:- dysentery, dysplasia, dystrophy


  •  ec:- out –GREEK– ἐκ (ek) eccentric
  • eco:- house –GREEK– οἶκος (oikos) ecology, economics, ecumenism
  • ecto:- outside –GREEK– ἐκτός (ektos) ectoderm
  • ed:-, es:- eat –LATIN– edere, esus edible
  • ego:- self, I (first person) –LATIN-, –GREEK– ego, ἐγώ egocentric
  • ego:-, eg:- goat –GREEK– αἴξ (aix) egophony
  • em:-, empt:- buy –LATIN– emere, emptus exemption, preempt, redeem
  • eme:- vomit –GREEK– ἔμετος (emetos) emetic
  • emul:- striving to equal, rivaling –LATIN– aemulus, aemulare emulator
  • en:-, em:- in –GREEK– ἐν (en) emphasis
  • endo:- inside –GREEK– ἔνδον (endon) endocrine, endocytosis
  • engy:- narrow –GREEK– ἐγγύς (engys)
  • ennea:- nine –GREEK– ἐννέα (ennea) ennead, enneagon
  • ens:- sword –LATIN– ensis
  • eo:-, eos:-, eoso:- dawn, east –GREEK– Ἠώς/Ἕως Eocene
  • ep:-, epi:- upon –GREEK– ἐπί (epi) epicenter, epitaph, epoch
  • epistem:- knowledge or science –GREEK– ἐπιστήμη (epistēmē) epistemic
  • equ:-, :-iqu:- even, level –LATIN– aequus equal, equivalence
  • equ:- horse –LATIN– equus equestrian
  • erg:- work –GREEK– έργον (ergon) ergonomics
  • err:- stray –LATIN– errare aberration, errant
  • erythr:- red –GREEK– ἐρυθρός (eruthros) erythrocyte
  • eso:- within –GREEK– ἔσω (esō) esoteric
  • etho:-, eth:-, ethi:- custom, habit –GREEK– ἦθος (ēthos) ethology
  • ethm:- sieve –GREEK– ἠθμός (hethmos); ἤθειν (hethein) ethmoid
  • ethn:- people, race, tribe, nation –GREEK– ἔθνος (ethnos) ethnarch, ethnic
  • etym:- true –GREEK– ἔτυμος (etumos) etymology
  • eu:- well, good –GREEK– εὖ (eu) euphoria, euthanasia
  • eur:- wide –GREEK– εὐρύς (eurus) Europe
  • ex:-, e:-, ef:- from, out –LATIN– ex exclude, extend, extrude
  • exo:- outside –GREEK– ἔξω (eksō) exoskeleton, exothermic
  • exter:-, extra:- outer –LATIN– externus exterior
  • extrem:- outermost, utmost –LATIN– extremus extremity, extremophile


  • f:-, fat:- say, speak –LATIN– fari, fatus fate, infant, preface
  • fab:- bean –LATIN– faba faba bean
  • fac:-, :-fic:-, fact, :-fect:- make –LATIN– facere, factus defect, factory, manufacture
  • falc:- sickle –LATIN– falx, falcis falciform
  • fall:-, :-fell:-, fals:- deceive –LATIN– fallere, falsus falsity, infallibility
  • fallac:- false –LATIN– fallax, fallacis fallacy
  • famili:- a close attendant –LATIN– famulus familiarity
  • fant:- to show –GREEK– φαντάζω fantasy
  • fasc:- bundle –LATIN– fascis fasciculation, fascism
  • fatu:- foolish, useless –LATIN– fatuus fatuous, infatuation
  • feder:- treaty, agreement, contract, league, pact –LATIN– foedus, foederis confederation, federal
  • fel:- cat –LATIN– feles, felis Felinae, feline
  • felic:- happy, merry –LATIN– felix, felicis felicity
  • fell:- suck –LATIN– fellare fellation
  • femin:- women, female –LATIN– femina femininity
  • femor:- thigh –LATIN– femur, femoris femoral
  • fend:-, fens:- strike –LATIN– fendere,
  • :-fensus defend, offense fenestr
  • :- window –LATIN– fenestra defenestration
  • fer:- carry –LATIN– ferre reference, transfer
  • feroc:- fierce –LATIN– ferox, ferocis ferocity
  • ferr:- iron –LATIN– ferrum ferrous
  • fet:- stink –LATIN– fetere fetid, fetor
  • fic:- fig –LATIN– ficus Ficus
  • fid:-, fis:- faith, trust –LATIN– fides, fidere, fisus confidence, fidelity
  • fil:- thread –LATIN– filum filament
  • fili:- son –LATIN– filius affiliation
  • fin:- end –LATIN– finis finish, final
  • find:-, fiss:- split –LATIN– findere, fissus fission, fissures
  • firm:- fix, settle –LATIN– firmus, firmare confirmation, firmament
  • fistul:- hollow, tube –LATIN– fistula
  • fl:- blow –LATIN– flare, flatus flatulence, inflation, insufflation
  • flacc:- flabby –LATIN– flaccus, flaccere flaccid
  • flav:- yellow –LATIN– flavus flavonoid
  • flect:-, flex:- bend –LATIN– flectere, flexus flexible, flexile, flexor, inflection
  • flig:-, flict:- strike –LATIN– fligere, flictus conflict, inflict
  • flor:- flower –LATIN– flos, floris floral, florid
  • flu:-, flux:- flow –LATIN– fluere, fluxus effluent, fluency, influx
  • foc:- hearth –LATIN– focus focal
  • fod:-, foss:- dig –LATIN– fodere, fossus fossil
  • foen:- hay –LATIN– fenuculum
  • foli:- leaf –LATIN– folium defoliant
  • font:- spring –LATIN– fons, fontis font, fontal, fontanelle
  • for:- bore, drill –LATIN– forare, foratus foralite, foramen, foraminifer, perforation
  • form:- shape –LATIN– forma conformity, deformity, formation, reformatory
  • fornic:- vault –LATIN– fornix, fornicis fornication
  • fort:- strong –LATIN– fortis fortification
  • fove:- shallow round depression –LATIN– fovea fovea
  • frang:-, :-fring:-, fract:-, fragbreak –LATIN– frangere, fractus fracture, fragment, frangible, infringe
  • frater:-, fratr:- brother –LATIN– frater fraternity
  • fric:-, frict:- rub –LATIN– fricare, frictus dentifrice, friction
  • frig:- cold –LATIN– frigere frigid, frigorific
  • front:- forehead –LATIN– frons, frontis confront, frontage, frontal
  • fruct:-, frug:- fruit –LATIN– frux, fructis fructose
  • fug:-, fugit:- flee –LATIN– fugere centrifuge, fugitive, refuge
  • fum:- smoke –LATIN– fumus fume, fumigation
  • fund:- bottom –LATIN– fundus, fundare fundamentalism, profundity
  • fund:-, fus:- pour –LATIN– fundere, fusus diffusion, effusion, fusion, profuse, profusion, transfusion, effusive
  • fung:-, funct:- do –LATIN– fungi, functus function, fungibility
  • fur:-, furt:- steal –LATIN– fur, furare furtive
  • furc:- fork –LATIN– furca bifurcation
  • fusc:- dark –LATIN– fuscus obfuscation


  • galact:- milk –GREEK– γάλα, γαλακτός (gala, galaktos) galactic
  • gastr:- stomach –GREEK– γαστήρ (gaster) gastric, gastroenterology
  • geo:- earth –GREEK– γῆ (gē), γεω:- (geō:-) geography, geology, geometry
  • gel:- icy cold –LATIN– gelum ge-LATIN-, gelid
  • gen:- race, kind,birth –GREEK– γένος (genos) eugenics, genocide
  • ger:-, gest:- bear, carry –LATIN– gerere, gestus digest, gestation
  • germin:- sprout –LATIN– germen, germinis germination
  • glabr:- hairless –LATIN– glaber glabrous
  • glaci:- ice –LATIN– glacies glacier
  • gladi:- sword –LATIN– gladius gladiator
  • glia:- glue –GREEK– γλία (glia) glial
  • glob:- sphere –LATIN– globus global, globule
  • glori:- glory –LATIN– gloria glorify
  • glutin:- glue –LATIN– gluten, glutinis agglutination
  • grad:-, :-gred:-, gress:- walk, step, go –LATIN– gradus, gradere, gressus grade, regress
  • gram:- writing –GREEK– γράμμα (gramma) grammar, grammatic
  • gran:- grain –LATIN– granum granary, granite, granola, granule
  • grand:- grand –LATIN– grandis grandiloquous, grandiosity
  • graph:- draw, write –GREEK– γραφή (graphē) grapheme, graphic, graphology
  • grat:- thank, please –LATIN– gratus gratitude, ingrate
  • grav:- heavy –LATIN– gravis aggravation, grave, gravity
  • greg:- flock –LATIN– grex, gregis egregious, gregarious, segregation
  • gubern:- govern, pilot –LATIN– gubernare gubernatorial
  • gust:- taste –LATIN– gustus disgust, gusto
  • gutt:- drop –LATIN– gutta gutta, guttifer, guttiform
  • guttur:- throat –LATIN– guttur guttural
  • gymn:- nude –GREEK– γυμνός (gymnos) gymnasium, gymnastics, gymnosperm
  • gyn:- woman –GREEK– γυνή gynecology


  • hab:-, :-hib:-, habit:-, :-hibithave –LATIN– habere, habitus habit, prohibition
  • haem:-, hem:- blood –GREEK– αἷμα (haima) haemophilia, hemoglobin
  • hal:- salt –GREEK– ἅλς, ἁλός (hals, halos) halogen
  • hal:-, :-hel:- breathe –LATIN– halare, halatus anhelation, inhale
  • hapl:- simple, single –GREEK– ἁπλοῦς (haplous) haploid, haplotype
  • haur:-, haust:- draw –LATIN– haurire, haustus exhaustion
  • heli:- sun –GREEK– ἥλιος (hēlios) heliocentric, heliotrope, helium
  • hemi:- half –GREEK– ἥμισυς (hēmisus) hemicycle, hemisphere
  • hen:- one –GREEK– ἕν (hen) henad, hyphen
  • hendec:- eleven –GREEK– ἕνδεκα (hendeka) hendecagon
  • hept:- seven –GREEK– ἑπτά (hepta) heptagon, heptathlon, heptode
  • her:-, hes:- cling –LATIN– haerere, haesus adhesive, coherent
  • herb:- grass –LATIN– herba herbal, herbicide
  • hered:- heir –LATIN– heres, heredis heredity
  • herp:- creep –GREEK– ἕρπω, ἕρπειν (herpō, herpein) herpes, herpetology
  • heter:- different, other –GREEK– ἕτερος (heteros) heterodoxy
  • heur:- find –GREEK– εὑρίσκω (heuriskō) heuristic
  • hex:- six –GREEK– ἕξ (hex) hexagon, hexahedron, hexode
  • hibern:- wintry –LATIN– hibernus hibernation
  • hiem:- winter –LATIN– hiems hiemal
  • hipp:- horse –GREEK– ἵππος (hippos) hippodrome
  • hirsut:- hairy –LATIN– hirtus, hirsutus hirsute
  • hispid:- bristly –LATIN– hispidus hispidity, hispidulous
  • histri:- actor –LATIN– histrio, histrionis histrionic
  • hod:- way –GREEK– ὁδός (hodos) cathode, herpolhode, hodometer
  • hol:- whole –GREEK– ὅλος (holos) holistic
  • hom:- same –GREEK– ὁμός (homos) homophone, homosexual
  • home:- like –GREEK– ὅμοιος (homoios) homeostasis
  • homin:- human –LATIN– homo, hominis hominid
  • homal:- even, flat –GREEK– ὁμαλός (homalos) anomalous
  • honor:- esteem –LATIN– honos, honoris honorable, honorarium
  • hor:- boundary –GREEK– ὅρος (horos) aphorism, horizon
  • hor:- hour –GREEK– ὥρα (hōra) horoscope
  • horm:- that which excites –GREEK– ὁρμή (hormē) hormone
  • hort:- garden –LATIN– hortus, horti horticulture
  • hospit:- host –LATIN– hospes, hospitis hospital, hospitality, inhospitable
  • host:- enemy –LATIN– hostis hostile
  • hum:- ground –LATIN– humus, humare exhumation, inhume
  • hyal:- glass –GREEK– ὕαλος (hualos) hyaline, hyaloid
  • hydr:- water –GREEK– ὕδωρ (hudōr) hydraulics, hydrology, hydrolysis, hydrophily, hydrophobia, hydroponic, hydrous
  • hygr:- wet –GREEK– ὑγρός (hugros) hygrometer
  • hyo:- U:-shaped –GREEK– ὑοειδής (huoeidēs) hyoid
  • hyp:- under –GREEK– ὑπό (hupo) hypothermia
  • hyper:- above, over –GREEK– ὑπέρ (huper) hyperbole, hypertonic
  • hypn:- sleep –GREEK– ὕπνος (hupnos) hypnosis
  • hyster:- later –GREEK– ὕστερος (husteros) hysteresis


  • ichthy:- fish –GREEK– ἰχθύς (ichthus) ichthyology
  • icos:- twenty –GREEK– εἴκοσι (eikosi) icosagon, icosahedron
  • id:- shape –GREEK– εἶδος (eidos) idol
  • ide:- idea; thought –GREEK– ιδέα (idea) ideogram, ideology
  • idi:- personal –GREEK– ἴδιος (idios) idiom, idiosyncrasy, idiot
  • ign:- fire –LATIN– ignis igneous, ignition
  • in:- (1), im:- in, on –LATIN– in import, incur, intend, invite
  • in:- (2), il:-, im:-, ir:- not, un:- (negation) –LATIN
  • in:- illicit, impossible, inimical, irrational
  • infra:- below, under –LATIN– infra infrastructure
  • insul:- island –LATIN– insula insular, insulation
  • inter:- among, between –LATIN– inter (preposition) intercollegiate, intermission, intersection
  • intra:- within –LATIN– intra intramural
  • irasc:-, irat:- be angry –LATIN– irasci irascible, irate
  • is:-, iso:- equal, the same –GREEK– ἴσος (isos) isometric, isomorphic, isotropic
  • iter:- again –LATIN– iterum, iterare iteration
  • itiner:- route, way –LATIN– iter, itineris – march, journey itinerary


  • jac:- lie –LATIN– jacēre to be thrown adjacent
  • jac:- (originally IAC),
  • :-ject:- cast, throw –LATIN– iacio, iacere, ieci, iectus – to throw (and cognates thereof) eject, interject, ejaculate, trajectory
  • janu:- door –LATIN– janua janitor
  • joc:- joke –LATIN– jocus jocularity
  • jug:- yoke –LATIN– jugare, jugum conjugal, subjugate
  • jung:-, junct:- join –LATIN– jungere, junctus conjunction, juncture
  • junior:- younger –LATIN– junior juniority
  • jus:-, jur:-, judic:- (originally IVS) law, justice –LATIN– ius,
  • iuris; iudex, iudicis judge, jury, justice
  • juv:-, jut:- help –LATIN– juvare, jutus adjutant
  • juven:- young, youth –LATIN– juvenis juvenile, rejuvenate
  • juxta:- beside, near –LATIN– juxta juxtaposition


  • kil(o):- thousand –GREEK– χίλιοι (chilioi) kilobyte, kilogram, kilometer
  • kine:- movement, motion –GREEK– κινέω (kineo) telekinesis, kinetic energy, kinesthetic
  • klept:- steal –GREEK– κλέπτης (kleptēs) kleptomania
  • kudo:- glory –GREEK– κῦδος (kudos) kudos


  • lab:-, laps:- slide, slip –LATIN– labi, lapsus elapse, relapse
  • labi:- lip –LATIN– labia, labiae bilabial, labial
  • labor:- toil –LATIN– labor collaboration, elaboration
  • lacer:- tear –LATIN– lacer laceration
  • lacrim:- cry, tears –LATIN– lacrima tear lacrimal, lacrimous
  • lact:- milk –LATIN– lac, lactis, lactare lactate, lactation, lactose
  • lamin:- layer, slice –LATIN– lamina laminate, lamination
  • lamp:- shine –GREEK– λαμπάς lampas torch lamp
  • lapid:- stone –LATIN– lapis, lapidis lapidary
  • larg:- large –LATIN– largus enlargement
  • larv:- ghost, mask –LATIN– larva larva, larvae, larval
  • lat:- broad, wide –LATIN– latus latitude
  • later:- side –LATIN– latus, lateris bilateral
  • laud:-, laus:- praise –LATIN– laudere laud
  • lav:- wash –LATIN– lavare lavatory
  • lax:- not tense –LATIN– laxus, laxare laxative, relaxation
  • led:-, les:- hurt –LATIN– laedere, laesus lesion
  • leg:- law –LATIN– lex, legis, legare legal, legislative
  • leg:- send –LATIN– legare relegate
  • lei:- smooth –GREEK– λείος leios leiomyoma
  • lekan:- dish, pot –GREEK– λεκάνη lekane lekane
  • leni:- gentle –LATIN– lenis, lenire leniency
  • leon:- lion –LATIN– leo, leonis Leo, leonine, Leopold
  • lep:- flake, scale –GREEK– λέπις lepis Lepidoptera
  • leps:- grasp, seize –GREEK– λήψης lepsis epilepsy
  • leuc(o):-, leuk(o):- white –GREEK– λευκός leukos leucocyte
  • lev:- lift, light –LATIN– levis light (in weight), levare elevator, levitation
  • liber:- free –LATIN– liber, liberare liberation, liberty
  • libr:- book –LATIN– liber, libri librarian, library
  • lig:- bind –LATIN– ligare, ligatus ligament, ligature
  • limac:- slug –LATIN– limax, limacis limacoid, limacon
  • lin:- line –LATIN– linea line, linearity
  • lingu:- language, tongue –LATIN– lingua bilingual, linguistic
  • linqu:-, lict:- leave –LATIN– linquere, lictus relict, relinquish
  • lip:- fat –GREEK– λίπος lipos lipolysis
  • liter:- letter –LATIN– littera alliteration, illiterate, literacy, literal, obliterate
  • lith:- stone –GREEK– λίθος (lithos) lithosphere, megalith, monolith, Neolithic Era
  • loc:- place –LATIN– locus local, location
  • log:- thought, word, speech –GREEK– λόγος (logos) word logic, monologue, morphological
  • long:- long –LATIN– longus elongate, longitude
  • loqu:-, locut:- speak –LATIN– loqui allocution, eloquence
  • luc:- bright, light –LATIN– lux, lucis light Lucifer (bearer of light)
  • lud:-, lus:- play –LATIN– ludere, lusus allude, illusion
  • lumin:- light –LATIN– lumen, luminis illumination, luminous
  • lun:- moon –LATIN– luna lunar, lunatic
  • lysis dissolving –GREEK– λύσις (lusis) analysis, cytolysis, hydrolysis


  • macro:- long –GREEK– μακρός (makros) macron
  • magn:- great, large –LATIN– magnus magnanimous, magnificent, magnitude
  • maj:- greater –LATIN– major, majus majesty, majority, majuscule
  • mal:- bad, wretched, –LATIN– malus malfeasance, malicious, malignancy, malodorous
  • mamm:- breast –LATIN– mamma mammal, mammary gland
  • man:- flow –LATIN– mānāre, manatus emanate, emanationism, immanant, immanation
  • man:- stay –LATIN– manēre, mansus immanence, immanent, manse, permanence, permanent, remanence, remanent
  • mand:- hand –LATIN– mandāre, mandatus mandate, remand
  • mania mental illness –GREEK– μανία (manίā) kleptomania, maniac
  • manu:- hand –LATIN– manus manual, manuscript
  • mar:- sea –LATIN– mare, maris marine, maritime
  • mater:-, matrmother –LATIN– mater, matris maternity, matriarch, matrix
  • maxim:- greatest –LATIN– maximus maximum
  • medi:-, :-midimiddle –LATIN– medius, mediare median, medieval
  • meg:- great, large –GREEK– μέγας (megas) megaphone
  • mei:- less –GREEK– μεῖον (meiōn) meiosis
  • melan:- black, dark –GREEK– μέλας (melas) Melanesia, melanoma
  • melior:- better –LATIN– melior amelioration
  • mell:- honey –LATIN– mel, mellis mellifluous
  • memor:- remember –LATIN– memor memorial mening
  • :- membrane –GREEK– μήνιγξ (meninx) meningitis
  • men:- month –GREEK– μήν (mēn) menopause
  • menstru:- monthly –LATIN– menstruus menstruation, menstrual
  • mensur:- measure –LATIN– mensura commensurate
  • ment:- mind –LATIN– mens, mentis demented, mentality
  • mer:- part –GREEK– μέρος (meros) polymer
  • merc:- reward, wages, hire –LATIN– merx, mercis mercantile, merchant
  • merg:-, mersdip, plunge –LATIN– mergere emerge, immersion
  • mes:- middle –GREEK– μέσος (mesos) mesolithic, mesozoic
  • meter:-, metrmeasure –GREEK– μέτρον (metron) metric, thermometer
  • meta:- above, among, beyond –GREEK– μετά (meta) metaphor, metaphysics
  • mic:- grain –LATIN– mica micelle
  • micr:- small –GREEK– μικρός (mikros) microphone, microscope
  • migr:- wander –LATIN– migrare emigrant, migrate
  • milit:- soldier –LATIN– miles, militis military, militia
  • mill:- thousand –LATIN– mille millennium, million
  • millen:- thousand each –LATIN– milleni millenary
  • mim:- repeat –GREEK– μίμος (mimos) mime, mimic
  • min:- jut –LATIN– minere prominent
  • min:- less, smaller –LATIN– minor, minus minority, minuscule
  • mir:- wonder, amazement –LATIN– miror, mirari, miratus sum admire, miracle, mirror
  • mis:- hate –GREEK– μῖσος (misos) misandry, misogyny
  • misce:-, mixtmix –LATIN– miscere, mixtus miscellaneous, mixture
  • mit:- thread –GREEK– μίτος (mitos) mitochondrion
  • mitt:-, miss:- send –LATIN– mittere, missus intermittent, missionary, transmission
  • mne:- memory –GREEK– μνήμη (mnēmē) mnemonic
  • mol:- grind –LATIN– mola, molere, molitus molar
  • moll:- soft –LATIN– mollis emollient, mollify
  • mon:- one –GREEK– μόνος (monos) monism, monolith, monotone
  • monil:- string of beads –LATIN– monile Moniliformida
  • mont:- mountain –LATIN– mons, montis Montana
  • mord:- bite –LATIN– mordere, morsus mordacious, morsel, remorse
  • morph:- form, shape –GREEK– μορφή (morphē) anthropomorphism, morpheme, morphology
  • mort:- death –LATIN– mors, mortis immortal, mortality, mortuary
  • mov:-, mot:- move, motion –LATIN– movere, motus mobile, momentum, motor, move
  • mulg:-, muls:- milk –LATIN– mulgere emulsion
  • mult:- many, much –LATIN– multus multiple, multiplex, multitude
  • mur:- wall –LATIN– murus, muri immured, mural
  • mus:- thief –LATIN– mus, muris mouse
  • musc:- fly –LATIN– musca, muscae Muscicapidae, Muscidae
  • mut:- change –LATIN– mutare mutation
  • my:- mouse –GREEK– μῦς (mus) musophobia
  • myri:- countless, ten thousand –GREEK– μυρίος (murios) myriad, myriapod
  • myrmec:- ant –GREEK– μύρμηξ (murmēx) myrmecoid, Myrmidons
  • myth:- story –GREEK– μῦθος (muthos) mythic, mythology
  • myx:- slime –GREEK– μύξα (muxa) Myxini
  • myz:- suck –GREEK– μυζάω (muzaō) Myzopoda


  • nar:- nostril –LATIN– naris
  • narc:- numb –GREEK– νάρκη (narkē) narcosis, narcotic
  • narr:- tell –LATIN– narrare narrative
  • nas:- nose –LATIN– nasus nasal
  • nasc:-, nat:- born –LATIN– nascere, natus nascent, native
  • naut:- ship –GREEK– ναύτης (nautes) Argonaut, astronaut
  • nav:- ship –LATIN– navis naval
  • ne:- new –GREEK– νέος (neos) neologism
  • necr:- dead –GREEK– νεκρός (nekros) necrophobia
  • nect:- swimming –GREEK– νηκτός (nēktos) nectopod
  • nect:-, nex:- join, tie –LATIN– nectere, nexus connect, connexion
  • neg:- say no –LATIN– negare negative
  • nema:- hair –GREEK– νῆμα (nēma) nematode
  • nemor:- grove, woods –LATIN– nemus, nemoris nemoral
  • nephr:- kidney –GREEK– νεφρός (nephros) nephritis
  • nes:- island –GREEK– νῆσος (nēsos) Polynesia
  • neur:- nerve –GREEK– νευρών (neurōn) neurology, neurosurgeon
  • nict:- wink –LATIN– nictari nictation
  • nigr:- black –LATIN– niger denigrate
  • nihil:- nothing –LATIN– nihilum annihilation
  • noct:- night –LATIN– nox, noctis noctambulist, nocturnal
  • nod:- knot –LATIN– nodus node, nodule
  • nom:- arrangement, law –GREEK– νόμος (nomos) autonomous, taxonomy
  • nomad:- those who let pasture herds –GREEK– νομάς, νομάδος (nomas, nomados) nomadic
  • nomin:- name –LATIN– nomen, nominis nomination
  • non:- not –LATIN– non none non:- ninth –LATIN– nonus nonary
  • nonagen:- ninety each –LATIN– nonageni nonagenary
  • nonagesim:- ninetieth –LATIN– nonagesimus nonagesimal
  • not:- letter, note, paper –LATIN– notare annotation, notable
  • noth:- spurious –GREEK– νόθος (nothos) nothogenus
  • noto:- back, south –GREEK– νότος (notos) notochord
  • nov:- nine –LATIN– novem November, novennial
  • nov:- new –LATIN– novus innovation, nova
  • noven:- nine each –LATIN– noveni novenary
  • novendec:- nineteen –LATIN– novendecim
  • nox:-, noc:- harmful –LATIN– noxa noxious
  • nu:- nod –LATIN– nuere innuendo
  • nub:- to marry, to wed –LATIN– nubes, nubis, nubere connubial, nubile
  • nuc:- nut –LATIN– nux, nucis nucleus
  • nuch:- back of neck –LATIN– nucha nuchal cord
  • nud:- naked –LATIN– nudus denude, nudity
  • null:- none –LATIN– nullus nullify
  • numer:- number –LATIN– numerus numeral
  • nunci:- announce –LATIN– nuntius pronunciation
  • nupti:-LATIN– nuptial
  • nutri:- nourish –LATIN– nutrire nutrient


  • ob:-, o:-, oc:-, of:-, og:-, op:-, osagainst –LATIN– ob obstinate, obstreperous, occur, offend, omit, oppose, ostentatious
  • oct:- eight –GREEK– ὀκτώ (oktō) octagon, octahedron, octode
  • oct:- eight –LATIN– octō octangular, octennial, octovir
  • octav:- eighth –LATIN– octāvus octaval
  • octogen:- eighty each –LATIN– octogeni octogenary
  • octogesim:- eightieth –LATIN– octogesimus octogesimal
  • octon:- eight each –LATIN– octoni octonary
  • ocul:- eye –LATIN– oculus, oculare ocular, oculus, ullage
  • od:- path, way –GREEK– ὁδός (hodos) anode, diode, odometer, pentode, tetrode, triode
  • od:- hate –LATIN– odium odious
  • odont:- tooth –GREEK– ὀδούς, ὀδόντος (odous, odontos) odontology
  • odor:- fragrant –LATIN– odor odorous
  • oeco:- house –GREEK– οἶκος (oikos) ecology
  • oed:- swollen –GREEK– οἴδημα (oidēma) oedema
  • oen:- wine –GREEK– οἶνος (oinos) oenology
  • oesophag:- gullet –GREEK– οἰσοφάγος (oisophagos) oesophagus
  • ogdo:- eighth –GREEK– ὄγδοος (ogdoos)
  • ogdoad :-oid like –GREEK
  • :-οειδής (:-oeidēs) asteroid, mucoid, organoid
  • ole:- oil –LATIN– oleum oleosity
  • olecran:- skull of elbow –LATIN– from –GREEK– ὠλέκρανον (ōlekranon) olecranon
  • olig:- few –GREEK– ὀλίγος (oligos) oligarchy
  • oliv:- olive –LATIN– oliva olivaceous, olivary,
  • olivette :-oma cancer –GREEK:-ωμα melanoma
  • omas:- paunch –LATIN– omasum omasum
  • oment:- fat skin –LATIN– omentum omental
  • omin:- creepy –LATIN– omen, ominis abominable, ominous
  • omm:- eye –GREEK– ὄμμα (omma) ommatidium
  • omni:- all –LATIN– omnis omnipotence, omnivore
  • omo:- shoulder –LATIN
  • omphal:- navel –GREEK– ὀμφαλός (omphalos) omphalectomy
  • oner:- burden –LATIN– onus, oneris exonerate, onerous
  • onom:- name –GREEK– όνομα (onoma) onomatopoeia
  • ont:- existing –GREEK– ὄντος (ontos) ontogeny, ontology
  • :-onym name –GREEK– ὄνυμα (onuma) antonym, pseudonym, synonym
  • oo:- egg –GREEK– (oion) oocyte
  • opac:- shady –LATIN– opacus opacity
  • oper:- work –LATIN– opus, operis inoperable, opera
  • opercul:- little cover –LATIN– operculum
  • ophi:- snake –GREEK– ὄφις (ophis) ophiophagy
  • ophthalm:- eye –GREEK– ὀφθαλμός (ophthalmos) ophthalmology
  • opisth:- behind –GREEK– ὄπισθεν (opisthen) opisthosoma, opsimath
  • opoter:- either –GREEK– ὁπότερος (hopoteros)
  • opt:- eye –GREEK– ὀπτός (optos) optical
  • opt:- choose –LATIN– optare adopt, optional
  • optim:- best –LATIN– optimus optimum
  • or:- mouth –LATIN– os, oris oral, orator
  • orb:- circle –LATIN– orbis orbit
  • orch:- testicle –GREEK– ὄρχις (orchis) orchid
  • ordin:- order –LATIN– ōrdō, ordinis ordinal, ordinary
  • organ:- organ, instrument, tool –GREEK– ὄργανον (organon) organism
  • ori:-, ort:- eastern –LATIN– oriri, ortus orient
  • orn:- decorate –LATIN– ōrnāre adorn, ornament, ornate
  • ornith:- bird –GREEK– ὄρνις (ornis, ornithos) ornithology
  • orth:- straight –GREEK– ὀρθός (orthos) orthodontist, orthodoxy, orthosis
  • oscill:- swing –LATIN– oscillum oscillation
  • oss:- bone –LATIN– os, ossis ossification
  • osteo:- bone –GREEK– ὀστοῦν (ostoun) osteoporosis
  • osti:- entrance –LATIN– ostium ostiole
  • ostrac:- shell –GREEK– ὄστρακον (ostrakon) ostracism
  • ot:- ear –GREEK– οὖς, ωτός (ous, ōtos) otology
  • ov:- egg –LATIN– ovum oval, ovary, ovule
  • ovi:- sheep –LATIN– ovis ovine
  • oxy:- sharp, pointed –GREEK– ὀξύς (oxus) oxygen, oxymoron


  • pac:- peace –LATIN– pax, pacis pacifism
  • pach:- thick –GREEK– παχύς (pachus) pachydermata, Pachypodium
  • paed:- child –GREEK– παῖς, παιδός (pais, paidos) paediatric
  • pagin:- page –LATIN– pagina pagination
  • pal:- stake –LATIN– palus impalement, pale
  • palae:-, pale:- ancient, old –GREEK– παλαιός (palaios) paleontology
  • palin:- back –GREEK– πάλιν (palin) palindrome
  • pall:- be pale –LATIN– pallere pallid, pallor
  • palli:- mantle –LATIN– pallium pallium
  • palm:- palm –LATIN– palma palmate
  • palustr:- in marshes –LATIN– paluster palustral
  • pan:-, pam:- all –GREEK– πᾶς, παντός (pas, pantos) pandemic
  • pand:-, pans:- spread –LATIN– pandere, pansus expand, expansion
  • par(a):- beside, near –GREEK– παρά (para) parallel, parameter
  • pariet:- wall –LATIN– paries, parietis parietal
  • part:- part –LATIN– pars, partis bipartite, partition
  • parthen:- maiden –GREEK– παρθένος (parthenos) parthenogenesis
  • parv:- little –LATIN– parvus parvovirus pasc:-,
  • past:- feed –LATIN– pascere, pastus pasture, repast
  • pass:- pace, step –LATIN– passus
  • passer:- sparrow –LATIN– passer passeriform, passerine
  • pat:- be open –LATIN– patere patent
  • path:- feel, hurt –GREEK– πάθος (pathos) pathetic, pathology
  • pati:-, pass:- suffer, feel, endure, permit –LATIN– pati, passus passive, patience
  • patr:- father –GREEK– πατήρ, πατριά (patēr, patria) patriarch
  • patr:- father –LATIN– pater, patris patrilocal
  • pauc:- few –LATIN– paucus paucal, pauciloquent, paucity
  • pav:-LATIN– pavire pavement
  • pecc:- sin –LATIN– peccare impeccable
  • pect:- fixed –GREEK– πηκτός (pēktos) pectic, pectin
  • pector:- chest –LATIN– pectus, pectoris pectoral
  • pecun:- money –LATIN– pecunia pecuniary
  • ped:- child –GREEK– παῖς, παιδός (pais, paidos) pedagogy
  • ped:- foot –LATIN– pes, pedis pedal, quadruped
  • pejor:- worse –LATIN– pejor pejorative
  • pell:-, puls:- drive –LATIN– pellere, pulsus propellent, propulsor, repellent
  • pen:- almost –LATIN– paene peninsula, penultimate, penumbra
  • pend:-, pens:- hang –LATIN– pendere suspend
  • penn:-, pinn:- feather –LATIN– penna pennate, pinnate
  • pent:- five –GREEK– πέντε (pente) pentagon, pentode, pentagrid
  • pentecost:- fiftieth –GREEK– πεντηκοστός (pentēkostos) pentecostalism
  • pept:- to digest –GREEK– πέσσειν, πεπτός (pessein, peptos) peptic, peptide
  • per:- thoroughly, through –LATIN– per perfection, permeate, persistence, pervade
  • peran:- across, beyond –GREEK– πέραν (peran)
  • peri:- around –GREEK– περί (peri) perimeter, peripheral, periscope
  • persic:- peach –GREEK– περσικός (persikos)
  • pessim:- worst –LATIN– pessimus pessimal
  • pet:- strive towards –LATIN– petere appetite, competition
  • petr:- rock –GREEK– πέτρα (petra) petroglyph
  • phae:- dark –GREEK– φαιός (phaios) phaeomelanin
  • phag:- eat –GREEK– φαγεῖν (phagein) sarcophagus
  • phalang:- close formation of troops, finger bones –GREEK– φάλαγξ, φάλαγγος (phalanx, phalangos) phalanges
  • phalar:- having a patch of white –GREEK– φάλαρος (phalāros) [1] phalarope
  • pharmac:- drug, medicine –GREEK– φάρμακον (pharmakon) pharmacy
  • phaner:- visible –GREEK– φανερός (phaneros) phanerozoic
  • pher:- bear, carry –GREEK– φέρω (pherō) pheromone
  • phil:-, :-phile love, friendship –GREEK– φιλέω (phileō, philia) hydrophile, philosophy
  • phleg:- heat –GREEK– φλέγω (phlegō) phlegm, phlegmatics
  • phloe:- tree bark –GREEK– φλοιός (phloios) phlobaphene, phloem
  • phob:- fear –GREEK– φόβος (phobos) hydrophobia
  • phon:- sound –GREEK– φωνή (phōnē) homophone, microphone, phonograph
  • phor:- carry, bear –GREEK– φόρος (phoros) metaphor
  • phos:-, phot:- light –GREEK– φῶς, φωτός (phōs, phōtos) phosphor, photograph
  • phragm:- fence –GREEK– φράγμα (phragma) diaphragm
  • phren:- diaphragm, mind –GREEK– φρήν, φρενός (phrēn, phrenos) phrenetic, schizophrenia
  • phryn:- toad, toad:-like –GREEK– φρύνη (phrunē) Phrynobatrachus
  • phyl:- tribe –GREEK– φύλον (phulon) phylogenetics, phylum
  • phyll:- leaf –GREEK– φύλλον (phullon) chlorophyll, phyllotaxis
  • phys:- nature –GREEK– φύσις (phusis) physics
  • physalid:- bladder –GREEK– φυσαλ(λ)ίς (phusal(l)is) physalis
  • phyt:- plant –GREEK– φυτόν (phuton) neophyte, phytoplankton
  • pic:- pitch –LATIN– pix, picis
  • pil:- hair –LATIN– pilus depilatory, epilator
  • pin:- drink –GREEK– πίνειν (pinein) pinocytosis
  • pin:- pine –LATIN– pinus pineal gland
  • ping:-, pict:- paint –LATIN– pingere, pictus depiction, picture
  • pingu:- fat –LATIN– pinguis Pinguicula
  • pir:- pear –LATIN– pirus piriformis muscle
  • pisc:- fish –LATIN– piscis Pisces, piscivore
  • pis:- pea –GREEK– πίσος (pisos)
  • plac:- plate, tablet –GREEK– πλάξ, πλακός (plax, plakos)
  • plac:- calm –LATIN– placare, placatus placate
  • plac:-, :-plic:- please –LATIN– placēre, placitus placebo, placid
  • plagi:- oblique –GREEK– πλάγιος (plagios) plagioclase
  • plan:- flat –LATIN– planus explanation, planar, plane
  • plang:-, planct:-LATIN– plangere, planctus plangent
  • plas:- mould –GREEK– πλάθω (plathō) plasma, plastic
  • platy:- flat, broad –GREEK– πλατύς (platus) platypus
  • plaud:-, :-plod:-, plaus:-, :-plosapprove, clap –LATIN– plaudere, plausus applaud, applause, explosion, implode, plaudits, plausible
  • ple:-, plet:- fill –LATIN– plere complement, suppletion
  • pleb:- people –LATIN– plebs, plebis plebian, plebs
  • plec:- interwoven –GREEK– πλέκω (plekō) plectics, symplectomorphism
  • plect:-, plex:- plait –LATIN– plectere, plexus perplex
  • plen:- full –LATIN– plenus plenary
  • plesi:- near –GREEK– πλησίος (plēsios)
  • pleth:- full –GREEK– πλῆθος (plēthos) plethora
  • pleur:- side –GREEK– πλευρά (pleura)
  • plic:- fold –LATIN– plicare, plicatus duplication, replicate
  • plinth:- brick –GREEK– πλίνθος (plinthos)
  • plor:-LATIN– plorare implore
  • plu:- rain –LATIN– pluere
  • plum:- feather –LATIN– pluma plumage, plumate
  • plumb:- lead –LATIN– plumbum plumber
  • plur:- more –LATIN– pluris plural
  • plurim:- most –LATIN– plurimus
  • plus:- more –LATIN– plus surplus
  • plut:- wealth –GREEK– πλοῦτος (ploutos) plutocracy
  • pluvi:- rain –LATIN– pluvia pluvial
  • pneu:- air, lung –GREEK– πνεῦμα (pneuma) pneumatic
  • pod:- foot –GREEK– πούς, ποδός (pous, podos) podiatry, tripod
  • pogon:- beard –GREEK– πώγων, πώγωνος (pōgōn, pōgōnos) pogonotrophy
  • poie:- make –GREEK– ποιέω (poieō) poiesis
  • pol:- pole –GREEK– πόλος (polos) dipole, polar
  • pole:-, poli:- city –GREEK– πόλις (polis) metropolis, politics
  • polem:- war –GREEK– πόλεμος (polemos) polemic
  • poli:- grey –GREEK– πολιός (polios)
  • pollic:- thumb –LATIN– pollex, pollicis
  • pollin:-LATIN– pollen, pollinis pollination
  • poly:- many –GREEK– πολύς (polus) polygon
  • pon:-, posit:- put –LATIN– ponere, positus component, position, postpone
  • ponder:- weight –LATIN– pondus, ponderis preponderance
  • pont:- bridge –LATIN– pons, pontis pontoon
  • popul:- people –LATIN– populus, populare population
  • por:- passage –GREEK– πόρος (poros) pore
  • porc:- pig –LATIN– porcus porcine, pork
  • porphyr:- purple –GREEK– πορφύρα (porphura) porphyrin
  • port:- gate –LATIN– porta portal
  • port:- carry –LATIN– portare, portatus export, transportation
  • post:- after, behind –LATIN– post posterior, postscript
  • pot:- drink –LATIN– potus, potare potable
  • potam:- river –GREEK– ποταμός (potamos) hippopotamus, Mesopotamia
  • prasin:- leek:-green –GREEK– πράσινος (prasinos) prasinous
  • prat:- meadow –LATIN– pratum
  • prav:- crooked –LATIN– pravus depravity
  • pre:- before –LATIN– prae previous
  • prec:- pray –LATIN– prex, precis, precāri deprecation
  • pred:-LATIN– praeda, praedari predator
  • prehend:-, prend:-, prehensgrasp –LATIN– prehendere, prehensus comprehend
  • prem:-, :-prim:-, press:- press –LATIN– premere, pressus pressure
  • presby:- old –GREEK– πρέσβυς (presbus) Presbyterianism
  • preter:- past –LATIN– praeter preterite, pretermission
  • preti:- price –LATIN– pretium, pretiare
  • prim:- first –LATIN– primus primary, primeval, primitive
  • prior:- former –LATIN– prior priority
  • priv(i):- separate –LATIN– privus, privare, privatus deprivation, privilege
  • pro:- before, in front of –GREEK– πρό (pro)
  • pro:- for, forward –LATIN– pro propulsion
  • prob:- try –LATIN– probus, probare probation
  • proct:- anus –GREEK– πρωκτός (prōktos) proctology
  • propri:- one’s own, ownership –LATIN– proprietas appropriate, property, propriety
  • pros:- forward –GREEK– πρός (pros)
  • prot:- first –GREEK– πρῶτος (prōtos) protoplasm
  • proxim:- nearest –LATIN– proximus, proximare approximate, proximity
  • prun:- plum –LATIN– prunus prune
  • psamma:- sand –GREEK– ψάμμος (psammos)
  • pseud:- false –GREEK– ψευδής (pseudēs) pseudonym
  • psil:- bare –GREEK– ψιλός (psilos) epsilon
  • psych:- mind –GREEK– ψυχή (psuchē) psycho
  • psychr:- cold –GREEK– ψυχρός (psuchros)
  • pter:- wing, fern –GREEK– πτερόν (pteron) helicopter
  • pto:- fall –GREEK– πτῶσις (ptōsis) ptosis
  • ptyal:- saliva –GREEK– πτύον (ptuon)
  • ptych:- fold, layer –GREEK– πτύξ, πτυχή (ptuchē) triptych
  • pub:- sexually mature –LATIN– pubes pubescent, pubic
  • public:-LATIN– publicus publication
  • pude:-LATIN– pudere impudent
  • pugn:- fight –LATIN– pugna, pugnare pugnacious, repugnant
  • pulchr:- beautiful –LATIN– pulcher, pulchri pulchritude
  • pulmon:- lung –LATIN– pulmo, pulmonis pulmonary
  • pulver:- dust –LATIN– pulvis, pulveris pulverize
  • pung:-, punct:- prick –LATIN– pungere, punctus puncture, pungent
  • puni:- punish –LATIN– punire, punitus impunity, punitive
  • pup:- doll –LATIN– pupa pupa, puppet
  • pur:- pure –LATIN– purus impurity, purify
  • purg:- cleanse –LATIN– purgare expurgate, purgatory, purge
  • purpur:- purple –LATIN– purpura
  • put:- prune, reckon –LATIN– putāre compute, putative
  • pyg:- rump –GREEK– πυγή (pugē) pygostyle, callipygian
  • pyl:- gate –GREEK– πυλών, πυλῶνος (pulōn) pylon
  • pyr:- heat, fire –GREEK– πῦρ, πυρός (pur, puros) pyrolysis Q


  • quadr:- four –LATIN– quattuor quadrangle, quadrillion
  • quadragen:- forty each –LATIN– quadrageni quadragenary
  • quadragesim:- fortieth –LATIN– quadragesimus quadragesimal
  • quart:- fourth –LATIN– quartus quartary, quartile
  • quasi:- as if –LATIN– quasi quasar
  • quatern:- four each –LATIN– quaterni quaternary, quaternion
  • quati:-, quass:- shake –LATIN– quatere
  • quer:-, :-quir:-, quesit:-, :-quisit:- search, seek –LATIN– quaerere Inquisition, query
  • qui:- rest –LATIN– quies quiet, requiem
  • quin:- five each –LATIN– quini quinary
  • quindecim:- fifteenth –LATIN– quindecimus quindecimal
  • quinden:- fifteen each –LATIN– quindeni quindenary
  • quinque:- five –LATIN– quinque quinquennium
  • quint:- fifth –LATIN– quintus quintary, quintile
  • quot:- how many, how great –LATIN– quota, quotient


  • rad:-, ras:- scrape, shave –LATIN– radere, rasus abrade, abrasion, erasure
  • radi:- beam, spoke –LATIN– radius, radiare radiance, radiation
  • radic:- root –LATIN– rādix, rādīcis eradicate, radical
  • ram:- branch –LATIN– rāmus ramification, ramose
  • ran:- frog –LATIN– rana Rana
  • ranc:- rancidness, grudge, bitterness –LATIN– rancere rancid, rancor
  • rap:- turnip –LATIN– rapum rapeseed
  • raph:- seam –GREEK– ῤαφή (rhaphē)
  • rar:-LATIN– rarus rarity
  • rauc:- harsh, hoarse –LATIN– raucus raucous re:-,
  • red:- again, back –LATIN– re:- recede, redact
  • reg:-, :-rig:-, rect:- straight –LATIN– regere, rectus dirigible, erect, erection, rectum
  • rem:- oar –LATIN– remus bireme, trireme
  • ren:- kidney –LATIN– renes renal
  • rep:-, rept:- crawl, creep –LATIN– repere, reptus reptile
  • ret:- net –LATIN– rete reticle, retina
  • retro:- backward, behind –LATIN– retro retrograde, retrospective, retrovirus
  • rhabd:- rod –GREEK– ῥάβδος (rhabdos) rhabdoid, rhabdom
  • rhach:-, rach:- spine –GREEK– ῥάχις, ῥάχεως (rhachis) rhachiodont
  • rhag:- tear, rent –GREEK– ῥαγίζω rhagades
  • rhe:- flow –GREEK– ῥεῖν (rhein) rheostat
  • rhig:- chill –GREEK– ῥῖγος (rhigos) rhigosaurus
  • rhin:- nose, snout –GREEK– ῥίς, ῥινός (rhis, rhinos) rhinoplasty
  • rhiz:- root –GREEK– ῥίζα (rhiza) rhizome
  • rhod:- rose –GREEK– ῥόδον (rhodon) rhododendron
  • rhomb:- spinning top –GREEK– ῥόμβος (rhombos) rhombus
  • rhynch:- snout –GREEK– ῥύγχος Rhynchobatus
  • rid:-, ris:- laugh –LATIN– ridere, risus derision, ridicule
  • robor:- oak, strength –LATIN– robur, roboris corroboration
  • rod:-, ros:- gnaw –LATIN– rodere, rosus corrode, erosion, rodent
  • rog:- ask –LATIN– rogare derogatory, interrogation
  • rostr:- beak, prow –LATIN– rostrum rostral, rostriform, rostrum
  • rot:- wheel –LATIN– rota, rotare rotation
  • ruber:-, rubr:- red –LATIN– ruber rubric, ruby
  • rug:- wrinkle –LATIN– ruga, rugare corrugation
  • rumin:- throat –LATIN– rumen, ruminis rumination
  • rump:-, rupt:- break –LATIN– rumpere, ruptus eruption, rupture, interrupt
  • rur:- country –LATIN– rus, ruris rural


  • sacchar:- sugar –GREEK– σάκχαρον (sakcharon) saccharin
  • sacr:-, secr:- sacred –LATIN– sacer, sacrare consecrate, sacrament
  • sagac:- wise –LATIN– sagax, sagacis sagacity
  • sagitt:- arrow –LATIN– sagitta sagittal plane, Sagittaria
  • sal:- salt –LATIN– sal, salis, salere salinity
  • sali:-, :-sili:-, salt:- jump –LATIN– salire, saltus resilient, salient, saltus
  • salic:- willow –LATIN– salix, salicis salicin
  • salv:- save –LATIN– salvus, salvare salvation
  • san:- healthy –LATIN– sanus insane, sanity
  • sanc:- holy –LATIN– sancire, sanctus sanctify, sanctuary
  • sanguin:- blood –LATIN– sanguis, sanguinis consanguinity, sanguine
  • sapi:-, :-sipi:- taste, wise –LATIN– sapere insipience, sapient
  • sapon:- soap –LATIN– sapo, saponis saponification
  • sarc:- flesh –GREEK– σάρξ, σαρκός (sarx, sarkos) sarcophagus
  • saur:- lizard, reptile –GREEK– σαῦρος (sauros) dinosaur
  • sax:- rock –LATIN– saxum scab:- scratch –LATIN– scabere scabies
  • scal:- ladder, stairs –LATIN– scala scalar, scale
  • scalen:- uneven –GREEK– σκαληνός (skalēnos) scalene muscles, scalene triangle
  • scand:-, :-scend:-, scans:-, :-scensclimb –LATIN– scandere ascend, transcendent, descend
  • scaph:- anything hollow, bowl, ship –GREEK– σκάφη, σκάφος scaphoid bone
  • scel:- leg, thigh –GREEK– σκέλος, σκέλεος (skelos) isosceles
  • schem:- plan –GREEK– σχῆμα (schēma) schematic
  • schis:- split –GREEK– σχίζω, σχίσμα (schisma) schism
  • sci:- know –LATIN– scire prescient, science
  • scind:-, sciss:- split –LATIN– scindere rescind, scissors
  • scler:- hard –GREEK– σκληρός (sklēros) scleroderma, sclerosis
  • scoli:- crooked –GREEK– σκολιός (skolios) scoliosis
  • scop:-, scept:- look at, examine, view, observe –GREEK– σκέπτομαι, σκοπός (skopos) horoscope, kaleidoscope, stethoscope
  • scrib:-, script:- write –LATIN– scribere, scriptus inscribe, scripture
  • sculp:- carve –LATIN– sculpere, sculptus sculpture
  • scut:- shield –LATIN– scutum scute
  • scyph:- cup –GREEK– χούφτα (chouphta) Scyphozoa
  • se:-, sed:- apart –LATIN– se secede, sedition
  • seb:- tallow –LATIN– sebum sebaceous, sebum
  • sec:-, sect:-, seg:- cut –LATIN– secare secant, section, segment
  • sed:- settle, calm –LATIN– sedare, sedatus sedative
  • sed:-, :-sid:-, sess:- sit –LATIN– sedere, sessus reside, sediment, session, supersede
  • sedec:- sixteen –LATIN– sedecim sedecimal
  • seget:- in cornfields –LATIN– segetum
  • sei:- shake –GREEK– σείω, σεισμός (seismos) seismograph
  • selen:- moon –GREEK– σελήνη (selēnē) Selene, selenium
  • sell:- saddle, seat –LATIN– sella sella turcica
  • sema:- sign –GREEK– σῆμα (sēma) semantics, semaphore
  • semi:- half –LATIN– semis semifinal
  • semin:- seed –LATIN– semen, seminis insemination
  • sen:- old man –LATIN– senex, senis senator, senility
  • sen:- six each –LATIN– seni senary
  • senti:-, sens:- feel –LATIN– sentire, sensus consensus, sentient
  • sept:- fence, partition, enclosure –LATIN– saeptum transept
  • sept:- seven –LATIN– septem septennial
  • septen:- seven each –LATIN– septeni septenary
  • septim:- seventh –LATIN– septimus septimal, septime
  • septuagen:- seventy each –LATIN– septuageni septuagenary
  • septuagesim:- seventieth –LATIN– septuagesimus septuagesima, septuagesimal
  • septuagint:- seventy –LATIN– septuaginta Septuagint
  • sequ:-, secut:- follow –LATIN– sequere, secutus consecutive, sequence
  • ser:-, sat:- cultivate –LATIN– serere, satus sative
  • ser:- body fluid –LATIN– serum serous
  • ser:- late –LATIN– serus serein, serotine
  • serp:- crawl, creep –LATIN– serpere, serptus serpent
  • serr:- saw, saw:-toothed –LATIN– serra, serrare serration
  • serv:- save, protect, serve –LATIN– servare conservation
  • sesqui:- one and a half –LATIN– sesqui sesquicentennial
  • set:- bristle, hair –LATIN– saeta seta, setose
  • sever:- stern, strict, serious –LATIN– severus severity
  • sex:-, se:- six –LATIN– sex semester, sexangle, sexennium
  • sexagen:- sixty each –LATIN– sexageni sexagenary
  • sexagesim:- sixtieth –LATIN– sexagesimus sexagesimal
  • sext:- sixth –LATIN– sextus sextant
  • sibil:- hiss –LATIN– sibilus, sibilare sibilance
  • sicc:- dry –LATIN– siccus desiccation
  • sider:- star –LATIN– sidus, sideris sidereal
  • sign:- sign –LATIN– signum design, designate, signal
  • sil:- quiet or still –LATIN– silere silence
  • silv(i):- forest –LATIN– silva silviculture
  • simi:- ape, monkey –LATIN– simia simian
  • simil:- likeness, trust, group –LATIN– similis assimilate, similarity
  • simul:- imitating, feigning –LATIN– simulare simulation
  • singul:- one each –LATIN– singulus singular
  • sinistr:- left –LATIN– sinister, sinistri sinistral
  • sinu:- (to draw) a line –LATIN– sinuare insinuate
  • sinus:- hollow, bay –LATIN– sinus
  • siph(o):- tube –GREEK– σίφων (siphōn) siphon
  • sist:- cause to stand –LATIN– sistere consist, persistence
  • sit:- food, grain, wheat –GREEK– σῖτος (sitos) sitology
  • soci:- group –LATIN– socius, sociare associate, social
  • sol:- sun –LATIN– sol, solis solar
  • sol:- comfort, soothe –LATIN– solari consolation, solace
  • sol:- alone, only –LATIN– solus desolate, sole, solo, solipsism
  • solen:- pipe, channel –GREEK– σωλήν (sōlēn) solenoid
  • solv:-, solut:- loosen, set free –LATIN– solvere, solutus dissolve, solution
  • soma:- body –GREEK– σῶμα, σώματος (sōma, sōmatos) somatic
  • somn:- sleep –LATIN– somnus insomnia
  • somni:- dream –LATIN– somnium
  • son:- sound –LATIN– sonus resonance
  • soph:- wise –GREEK– σοφός (sophos) sophist
  • sorb:-, sorpt:- suck –LATIN– sorbere absorb, absorption
  • sord:- dirt –LATIN– sordes, sordere sordid
  • soror:- sister –LATIN– soror sorority
  • spati:- space –LATIN– spatium spatial
  • spec:-, :-spic:-, spect:- look –LATIN– specere conspicuous, inspection, specimen
  • spect:- watch, look at –LATIN– spectare spectator
  • specul:- observe –LATIN– speculari speculation
  • sper:- hope –LATIN– spes, sperare desperation, esperance
  • sperm:- seed –GREEK– σπέρμα (sperma) angiosperm
  • sphen:- wedge –GREEK– σφήν (sphēn)
  • spher:- ball –GREEK– σφαῖρα (sphaira) sphere, spheroid
  • sphinct:- closing –GREEK– σφίγγα sphincter
  • spic:- spike –LATIN– spica spicule
  • spin:- thorn –LATIN– spina spine
  • spir:- breathe –LATIN– spirare respiration
  • spond:-, spons:- a surety, guarantee; give assurance, promise solemnly –LATIN– spondere, sponsus respond
  • spondyl:- vertebra
  • spu:-, sput:- spew, spit –LATIN– spuere sputum
  • squal:- scaly, dirty, filthy –LATIN– squalere squalid, squalor
  • squam:- scale –LATIN– squama squamous
  • squarros:- spreading at tips –LATIN
  • st:- stand –LATIN– stare, status stable, station, statistic, statue, status
  • stagn:- pool of standing water –LATIN– stagnare stagnant
  • stalact:-GREEK– σταλακτίτης (stalaktitēs) stalactite
  • stalagm:-GREEK– σταλαγμός (stalagmos) stalagmite
  • stann:- tin –LATIN– stannum stannous
  • statu:-, :-stitu:- stand –LATIN– statuere institution, statute
  • stea:- fat, tallow –GREEK– στέαρ, στέατος (stear, steatos)
  • stearic acid steg:- covering –GREEK– steganography
  • stell:- star –LATIN– stella constellation, stellar
  • sten:- narrow –GREEK– στενός (stenos) stenography
  • stere:- solid –GREEK– στερεός (stereos)
  • stern:-, strat:- spread, strew –LATIN– sternere, stratus stratify
  • stern:- breastbone –GREEK– στέρνον (sternon) sternum
  • stich:- line, row –GREEK– στίχος (stichos)
  • stig:-GREEK– στίγμα (stigma) stigma
  • still:- drip –LATIN– stilla, stillare distillation
  • stimul:- goad, rouse, excite –LATIN– stimulus stimulate
  • stingu:-, stinct:- apart –LATIN– stinguere distinction, distinguish
  • stoch:- aim –GREEK– στόχος stochastic
  • stom:- mouth –GREEK– στόμα (stoma) stomatoplasty
  • strept:- twisted –GREEK– στρεπτός (streptos)
  • strig:- compress –LATIN– strix, strigis strigogyps
  • strigos:- having stiff bristles –LATIN
  • string:-, strict:- upright, stiff –LATIN– stringere, strictus stringent
  • stroph:- turning –GREEK– στροφή (strophē) apostrophe
  • stru:-, struct:- to make up, build –LATIN– struere, structus construction, construe
  • stud:- dedication –LATIN– studere student
  • stup:- wonder –LATIN– stupere stupor
  • styl:- column, pillar –GREEK– στῦλος (stulos) stylus
  • su:-, sut:- sew –LATIN– suere, sutus suture
  • sui:- self –LATIN– sui sui generis, suicide
  • suad:-, suas:- urge –LATIN– suadere, suasus persuasion
  • suav:- sweet –LATIN– suavis suave
  • sub:-, su:-, suf:-, sug:-, susbelow –LATIN– sub submerge, suffix, suggest
  • subter:- under –LATIN– subter subterfuge
  • sucr:- sugar –LATIN– sucrose
  • sud:- sweat –LATIN– sudare sudoriferous
  • sulc:- furrow –LATIN– sulcus sulcus
  • sum:-, sumpt:- take –LATIN– sumere, sumptus assumption, consume
  • super:- above, over –LATIN– super supersede
  • supin:- lying back –LATIN– supinus supination
  • supra:- above, over –LATIN– supra supranationalism
  • surd:- deaf –LATIN– surdus absurdity
  • surg:- rise –LATIN– surgere resurgent
  • syn:-, sy:-, syl:-, sym:- with –GREEK– σύν (sun) symbol, symmetry, sympathy, synchronous, synonym, system
  • syring:- pipe –GREEK– σύριγξ, σύριγγος (syrinx, syringos) syringe


  1. tac:-, :-tic:- be silent –LATIN– tacere, tacitus reticent, tacit
  2. tach:- swift –GREEK– ταχύς (tachus) tachometer, tachycardia
  3. taeni:- ribbon –GREEK– ταινία (tainia) taenidium, taeniodont, Taeniolabis
  4. tal:- ankle –LATIN– talus talus bone
  5. tang:-, :-ting:-, tact:-, tag:- touch –LATIN– tangere, tactus contact, tactile, tangent
  6. tapet:- carpet –LATIN– tapete, tapetis tapestry, tapetum, tapis
  7. tard:- slow –LATIN– tardus retard, tardigrade, tardy
  8. tars:- ankle –GREEK– ταρσός (tarsos, a flat basket) tarsal
  9. taur:- bull –GREEK– ταῦρος (tauros) Minotaur
  10. taur:- bull –LATIN– taurus Taurus
  11. tax:- arrangement, order –GREEK– τάξις (taxis) taxonomy
  12. techn:- art, skill –GREEK– τέχνη (technē) technology
  13. teg:-, tect:- cover –LATIN– tegere, tectus integument, protection
  14. tele:- far, end –GREEK– τῆλε (tēle) telegram, telephone, telescope
  15. tele:- complete –GREEK– τέλος (telos) teleology
  16. temn:- cut –GREEK– τέμνω (temnō) Temnospondyli
  17. tempor:- time –LATIN– tempus, temporis contemporary, temporal, temporary
  18. ten:-, :-tin:-, tent:- hold –LATIN– tenere, tentus continent, detention, tenacious, tenor
  19. tend:-, tens:- stretch, strain –LATIN– tendere, tensus extend, extension
  20. tenu:- slender, thin –LATIN– tenuis attenuate, tenuous
  21. tep:- be warm –LATIN– tepere tepid, tepor
  22. ter:-, trit:- rub –LATIN– terere, tritus attrition, contrite, detritus, trite
  23. teret:- rounded –LATIN– teres, teretis subterete, teretial
  24. terg:-, ters:- wipe –LATIN– tergere, tersus detergent, terse
  25. termin:- boundary, limit, end –LATIN– terminus determine, terminal, termination
  26. tern:- three each –LATIN– terni ternary, ternion
  27. terr:- dry land –LATIN– terra subterranean, terrace, terracotta, terrain
  28. terti:- third –LATIN– tertius tertian, tertiary
  29. test:- witness –LATIN– testis testament, testimony
  30. tetr:- four –GREEK– τέσσαρες (tessares) tetrahedron, tetrode
  31. tex:-, text:- weave –LATIN– texere, textus context, texture, textile
  32. thalam:- chamber, bed –GREEK– θάλαμος (thalamos)
  33. thalass:- sea –GREEK– θάλασσα (thalassa) Panthalassa
  34. than:- death –GREEK– θάνατος (thanatos) euthanasia
  35. the:-, thus:- god –GREEK– θεός (theos) enthusiasm, theology
  36. the:- put –GREEK– τίθημι (tithēmi), θήκη (thēkē) Bibliotheca, theca, theme, thesis
  37. thel:-GREEK– θηλή (thēlē)
  38. theori:- speculation –GREEK– θεωρία (theōria) theorem, theory
  39. ther:- beast, animal –GREEK– θήρ, θηρός (thēr) theroid, theropod
  40. therm:- heat, warm –GREEK– θερμός (thermos) endotherm, thermometer
  41. thym:- mood –GREEK– θυμός (thumos) dysthymia
  42. thyr:- door –GREEK– θύρα (thura) thyratron
  43. thyre:- large shield –GREEK– θυρεός (thureos) Thyreophora, thyroid, thyrotropin, thyroxine
  44. tim:- be afraid –LATIN– timere timid, timorous
  45. ting:-, tinct:- moisten –LATIN– tingere, tinctus tincture
  46. tom:- cut –GREEK– τομή (tome), τόμος (tomos) ectomy, atom, tome
  47. ton:- stretch –GREEK– τόνος (tonos) isotonic, monotone, tone
  48. top:- place –GREEK– τόπος (topos) topic, topography
  49. torn:- cut –LATIN– from –GREEK– tornare < τόρνος (tornos)
  50. torpe:- numb –LATIN– torpere torpent, torpid, torpor
  51. torqu:-, tort:- twist –LATIN– torquere, tortus extortion, torque, torture
  52. tot:- all, whole –LATIN– totus subtotal, total, totality
  53. tox:- arrow, bow –GREEK– τόξον (toxon)
  54. trab:- beam –LATIN– trabs, trabis trabeculae
  55. trachy:- rough –GREEK– τραχύς (trachus) trachea
  56. trag:- goat –GREEK– τράγος (tragos) tragus
  57. trah:-, tract:- draw, pull –LATIN– trahere, tractus subtrahend, tractor
  58. trans:-, tra:-, tran:- across –LATIN– trans tradition, transcend, transportation
  59. trapez:- four:-sided, table –GREEK– τράπεζα (trapeza) trapezius, trapezoid
  60. traum:- wound –GREEK– τραῦμα (trauma) trauma, traumatic
  61. trecent:- three hundred –LATIN– trecenti trecentennial, trecentillion
  62. tredec:- thirteen –LATIN– tredecim tredecimal
  63. treiskaidek:- thirteen –GREEK– τρεισκαίδεκα (treiskaideka) triskaidekaphobia
  64. trem:- tremble –LATIN– tremere tremor
  65. trema:- hole –GREEK– τρῆμα (trēma) trematode
  66. tri:- three –GREEK– τρεῖς, τρία (treis, tria) triad, trigon, triode, tripod
  67. tri:- three –LATIN– trēs triangle, triumvirate, trivia
  68. tricen:- thirty each –LATIN– triceni tricenary
  69. tricesim:-, trigesim:- thirtieth –LATIN– tricesimus trigesimal
  70. trich:- hair –GREEK– θρίξ, τριχός (thrix, trichos) peritrichous, trichopathophobia, Trichoptera
  71. trin:- three each –LATIN– trini trinary, trine, trinity
  72. trit:- third –GREEK– τρίτος (tritos) tritagonist
  73. troch:- wheel –GREEK– τροχός (trochos) trochlea
  74. trop:- turning –GREEK– τρόπος (tropos) heliotropism, psychotropic, tropic
  75. troph:- feed, grow –GREEK– τροφή, τροφός (trophos) dystrophy, pogonotrophy, trophic
  76. trud:-, trus:- thrust –LATIN– trudere, trusus extrusion, intrude
  77. tuss:- cough –LATIN– tussis, tussire pertussis
  78. tympan:- drum –GREEK– τύμπανον (tumpanon) tympani
  79. typ:- stamp, model –GREEK– τύπος (tupos) archetype, phenotype, typography


  1. uber:- fruitful –LATIN– uber, uberare exuberant
  2. uligin:- in marshes –LATIN– uligo, uliginis uliginous
  3. ulo:- wooly –GREEK
  4. ultim:- farthest –LATIN– ultimus ultimatum, ultimate
  5. ultra:- beyond –LATIN– ultra ultrasonic
  6. umbilic:- navel –LATIN– umbilicus umbilical
  7. umbr:- shade, shadow –LATIN– umbra penumbra, umbrella
  8. un:- one –LATIN– unus, unius unary, unicorn, union
  9. unc:- hooked –LATIN– uncus uncinate
  10. unci:- ounce, twelfth –LATIN– uncia uncial
  11. und:- wave –LATIN– unda abundant, undulate
  12. undecim:- eleventh –LATIN– undecimus undecimal
  13. unden:- eleven each –LATIN– undeni undenary
  14. ungui:- claw, nail –LATIN– unguis
  15. ungul:- claw, hoof –LATIN– ungula ungulate
  16. ur:-, uro:- tail –GREEK– οὐρά (oura) uroid, uroborus
  17. ur:-, uro:- urine –GREEK– οὖρον (ouron) urology
  18. urb:- city –LATIN– urbs, urbis urban, urbanize, suburbanite, urbanism
  19. urg:- work –LATIN– urgere urgent
  20. urs:- bear –LATIN– ursus Ursa Major, ursine
  21. ut:-, us:- use –LATIN– uti, usus usual, utility
  22. uv:- grape –LATIN– uva uvea
  23. uxor:- wife –LATIN– uxor uxoricide V


  1. vac:- empty –LATIN– vacare vacancy, vacation, vacuum
  2. vad:-, vas:- go –LATIN– vadere evade, pervasive
  3. vag:- wander –LATIN– vagus, vagare vagabond, vague
  4. van:- empty, vain, idle –LATIN– vanus vanity
  5. vap:- lack (of) –LATIN– vapor evaporation, vapid, vaporize
  6. veh:-, vect:- carry –LATIN– vehere, vectus vehicle, vector
  7. vel:- veil –LATIN– velum revelation, velate
  8. vell:-, vuls:- pull –LATIN– vellere, vulsus convulsion
  9. veloc:- quick –LATIN– velox, velocis velocity
  10. ven:- vein –LATIN– vena venosity
  11. ven:- hunt –LATIN– venari venison
  12. ven:-, vent:- come –LATIN– venire advent, convention
  13. vend:- sell –LATIN– vendere vendor, vending
  14. vener:- respectful –LATIN– venus veneration, venereal
  15. vent:- wind –LATIN– ventus ventilation
  16. ventr:- belly –LATIN– venter ventral
  17. ver:- true –LATIN– verus aver, veracious, verify, verisimilitude, verity
  18. verb:- word –LATIN– verbum verbal, verbatim, verbosity
  19. verber:- whip –LATIN– verber reverberation
  20. verm:- worm –LATIN– vermis vermiform
  21. vern:- spring –LATIN– ver, vernus vernal
  22. vert:-, vers:- turn –LATIN– vertere, versus convert, inversion, invert, vertical
  23. vesic:- bladder –LATIN– vesica vesical
  24. vesper:- evening, western –LATIN– vespera vesperal
  25. vest:- clothe, garment –LATIN– vestis divest, vest
  26. vestig:- track –LATIN– vestigium investigate
  27. vet:- forbid –LATIN– vetare veto
  28. veter:- old –LATIN– vetus, veteris inveterate, veteran
  29. vi:- way –LATIN– via deviate, obvious, via
  30. vic:- change –LATIN– vicis vice versa, vicissitude
  31. vicen:-, vigen:- twenty –LATIN– viceni vicenary
  32. vicesim:-, vigesim:- twentieth –LATIN– vicesimus vicesimary, vicesimation, vigesimal
  33. vid:-, vis:- see –LATIN– videre, visus video, vision
  34. vil:- cheap –LATIN– vilis vile, vilify
  35. vill:- shaggy hair, velvet –LATIN– villus villiform
  36. vin:- wine –LATIN– vinum vinous
  37. vinc:-, vict:- conquer –LATIN– vincere, victus invincible, victory
  38. vir:- man –LATIN– vir virility
  39. vir:- green –LATIN– virere virid, viridian
  40. visc:- thick –LATIN– viscum viscosity
  41. viscer:- organs of the body cavity –LATIN– viscus, visceris eviscerate, visceral
  42. vit:- life –LATIN– vita vital, vitamin
  43. vitell:- yolk –LATIN– vitellus vitellogenesis
  44. viti:- fault –LATIN– vitium vice, vitiate
  45. vitr:- glass –LATIN– vitrum vitreous
  46. viv:- live –LATIN– vivere revive, survive, vivid
  47. voc:- voice –LATIN– vox, vocis provocative, vocal, vocation
  48. vol:- fly –LATIN– volare volatility vol:- wish –LATIN– velle volition
  49. volv:-, volut:- roll –LATIN– volvere, volutus convolution, revolve
  50. vom:- discharge –LATIN– vomere vomit
  51. vor:-, vorac:- swallow –LATIN– vorare, vorax devour, voracious
  52. vov:-, vot:- vow –LATIN– vovere, votus votive
  53. vulg:- common, crowd –LATIN– vulgus divulge, vulgarity, vulgate
  54. vulner:- wound –LATIN– vulnus, vulneris vulnerable
  55. vulp:- fox –LATIN– vulpes, vulpis vulpine


  1. xanth:- yellow –GREEK– ξάνθος (xanthos) xanthogenic
  2. xen:- foreign –GREEK– ξένος (xenos) xenophobia
  3. xer:- dry –GREEK– ξηρός (xēros) xerography, xerophyte
  4. xiph:- sword –GREEK– ξίφος (xiphos) xiphoid
  5. xyl:- wood –GREEK– ξύλον (xulon) xylem, xylophone


  1. zo:- animal, living being –GREEK– protozoa, zoo, zoology
  2. zon:- belt, girdle –GREEK– zone
  3. zyg:- yoke –GREEK– – heterozygous, zygote
  4. zym:- ferment —GREEK– – enzyme, lysozyme

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