List of Greek and Latin roots in English/A–G

The following is an alphabetical list of Greek and Latin roots, stems, and prefixes commonly used in the English language from A to G. See also the lists from H to O and from P to Z.

List of Greek and Latin roots in English/A–G

Collation

Roots A-G

A

B

C

D

E

F

G

References

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
ab-, a-, abs-, au-^[1]	away from, down, off	Latin	ab	abdication, abduction, aberrant, abnormal, abrasion, absent, absorb, abstain, abstemious, abstraction, aversion, avulsion
abac-^[2]	slab	Ancient Greek	ἄβαξ, ἄβακος (ábax, ábakos), ἀβακίσκος (abakískos)	abaciscus, abacus, abax
ac-, acm-, acr-^[3]	point	Greek	ἀκή (akḗ), ἀκίς, ἀκίδος (akís, akídos), ἀκόνη (akónē), ἄκρος (ákros), ἄκρον (ákron), ἄκρα	acidanthera, acme, acmeism, acmesthesia, acmic, acne
ac-, ace-^[4]	cure	Greek	ἀκεῖσθαι (akeîsthai), ἀκή (akḗ), ἄκος, ἄκεος (ákos, ákeos)	aceology, autacoid, panacea
academ-	Akademos	Greek	Ἀκάδημος (Akádēmos)	academe, academia, academic, academy
acanth-	thorn	Greek	ἀκή, ἄκανθα (ákantha)	Acanthaster, acanthion, acanthite, Acanthocephala, acanthocephaliasis, acanthocyte, Acanthomintha, Acanthosaura, Acanthus, Metriacanthosaurus, neuroacanthocytosis
acar-^[5]	mite	Greek	ἀκαρί (akarí)	acariasis, acarid, acariphagous, acaroid, acarology, acarophobia, acarus
accipitr-	hawk	Latin	accipiter	Accipiter, accipitrine
acer-, acri-	bitter, sharp, sour	Latin	ācer, ācris, acerbus, acere	acerbic, acrid, acrimonious, acrimony, exacerbate
acet-	sour, vinegar	Latin	acētum	acetabulum, acetate, acetic, acetone, acetum, triacetate
acid-	acidic, sour	Latin	acidus	acidiferous, acidity, acidosis, acidulation, acidulous
acr-	height, summit, tip, top	Greek	ἀκή (akḗ), ἄκρος (ákros) "high", "extreme", ἄκρον (ákron)	acrobat, acrobatics, acrochordon, acromegalia, acromegaly, acromion, acronym, acrophobia, acropolis, acrostic, acroterion, acrotomophilia
actin-^[6]	beam, ray	Greek	ἀκτίς, ἀκτῖνος (aktís, aktînos)	actinic, actinism, actinium, actinocerid, actinodrome, actinoid, actinomere, actinometer, actinomorphic, actinomyces, actinophryid, actinopod, Actinopterygii, actinotherapy, actinozoa
acu-, acut-	sharp, pointed	Latin	acutus, past participle of acuere "to sharpen", from acus "needle"	acerose, acupuncture, acumen, acute, acutifoliate
ad-, a-, ac-, af-, ag-, al-, am-, an-, ap-, ar-, as-, at-^[7]	movement to or toward; in addition to	Latin	ad "to", "toward"	accept, accurate, adapt, addition, address, adept, adherent, adhesive, adjust, admit, admonish, advertisement, affect, agglomerate, aggregate, aggression, allege, allude, ammunition, annectent, approximate, arreption, arride, arrogant, ascend, assault, assimilate, attend, attract
aden-^[8]	gland	Greek	ἀδήν, ἀδένος (adḗn, adénos)	adenocarcinoma, adenoid, adenoidectomy, adenology, adenoma, adenomyosis, adenosis
adip-	fat	Latin	adeps, adipis "fat"	adipocellular, adipose
aer- (ΑΕΡ)^[9]	lift, raise	Greek	ἀείρειν (aeírein), ἀορτή (aortḗ), αἰρόμενον, ἀϝείρω	aorta, aortic, endaortitis, meteor, meteorology
aer-, aero-^[10]	air, atmosphere	Greek	ἀήρ, ἀέρος (aḗr, aéros) "air"	aerobic, aerodynamic, aeronautics, aeroplane, aerorrhachia, aerosol, aerotitis
aesth-	feeling, sensation	Greek	αἰσθητός (aisthētós), αἰσθητικός (aisthētikós) "of sense perception" from αἰσθάνεσθαι (aisthánesthai) "to perceive"	aesthesia, aesthesis, aesthete, aesthetics, anaesthetic, synesthesia
aether-, ether-	upper pure, bright air	Greek	αἴθειν (aíthein), αἰθήρ (aithḗr)	ether, ethereal, etheric, hypaethros
aev-, ev-	age	Latin	aevum	age, coeval, eon, eternal, longevity, medieval, primeval
ag-, -ig-, act-	do, go, move	Latin	agere, actus	act, action, activation, activity, actor, agenda, agent, agile, agitate, ambiguous, castigate, cogent, cogitate, cogitation, deactivate, excogitate, mitigate, navigate, proactive, react, transaction
ag-^[11]	lead	Greek	ἄγειν (ágein) (cognate with Latin agere), ἀγωγός (agōgós)	agony, antagonist, antagonize, demagogue, pedagogue, pedagogy, strategy, synagogue
agap-^[12]	love	Greek	ἀγάπη (agápē)	agape
agr-^[13]	field	Greek	ἀγρός, ἀγροῦ (agrós, agroû)	agronomist, agronomy
agri-, -egri-	field	Latin	ager, agris "field, country"	agriculture, peregrine
ailur-^[14]	cat	Greek	αἴλουρος (aílouros)	Ailuroedus, ailuromancy, ailurophile, ailurophilia, ailurophobia
alac-	cheerful	Latin	alacer	alacrity, allegro
alb-	dull white	Latin	albus	albedo, albino, albumen
alcyon-^[15]	kingfisher	Greek	ἀλκυών, ἀλκυόνος (alkuṓn, alkuónos)	Halcyon, halcyon
ale-^[16] (ΑΛ)	wheat flour	Greek	ἀλέω, ἄλευρον (áleuron), ἀλείατα	aleuromancy, aleurone, aleuronic
alg-^[17]	pain	Greek	ἄλγος (álgos), ἀλγεινός, ἀλγεῖν (algeîn), ἄλγησις (álgēsis)	analgesic, arthralgia, neuralgia, nostalgia
ali-, alter-	other	Latin	alius "another", alter "other"	alias, alibi, alien, alter, alternate, altruism
all-^[18]	other	Greek	ἄλλος (állos)	allegory, allogenic, allograph, allophone, parallactic, parallax
allel-^[19]	one another	Greek	ἀλλήλων (allḗlōn)	allele, allelomorph, allelotaxis, parallel, parallelism, parallelogon, parallelogram
alph-^[20]	A, a	Greek	Α, α, ἄλφα (álpha)	alphabet, alphabetic, analphabetic, panalphabetic, polyalphabetic
alphit-	barley	Greek	ἀλφός (alphós), ἄλφιτον, ἀλφίτου (álphiton, alphítou)	alphitomancy
alt-	high, deep	Latin	altus, altitudo	altimeter, altitude, alto, altocumulus, contralto, exalt
am-, amat-	love, liking	Latin	amāre, amatus, amor	amateur, amatory, amenity, amorous, enamoured

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
ba-^[41] (ΒΑ^[42])	to step	Greek	βαίνειν (baínein), βατός (batós), βάσις (básis), βῆμα, βήματος (bêma, bḗmatos), βάτης (bátēs), βάθρον (báthron), βατεῖν	acrobat, acrobatic, adiabatic, aerobatic, anabasis, anabatic, antiparabema, base, basic, basidiocarp, basidioma, basidiomycete, basidiospore, basidium, basion, basionym, basis, basophilic, bema, catabasis, catabatic, diabase, diabatic, diabetes, diabetic, dibasic, hyperbaton, hypobasis, katabasis, katabatic, monobasic, polybasic, stereobate, stylobate, tribasic
bac-	rod-shaped	Latin	baculum	baculiform, baculum, bacteria
bal-, bel-, bol- (ΒΑΛ^[43])	throw	Greek	βάλλειν (bállein), βολή (bolḗ), βλῆμα (blêma)	ametabolic, ametabolism, amphibole, amphibolic, amphibolite, amphibolous, amphiboly, anabolic, anabolism, astrobleme, ball, ballism, ballista, ballistic, ballistospore, belomancy, belonephobia, bolide, bolometer, catabolic, catabolism, devil, diabolic, emblem, emblematic, embolic, embolism, embolismic, embolize, embolon, embolus, emboly, hemiballismus, holometabolism, hyperbola, hyperbole, hyperbolic, hyperboloid, metabolic, metabolism, metabolite, metabolize, palaver, parable, parabola, parabolic, paraboloid, parle, parley, parol, parole, problem, problematic, symbol, symbolic, symbolism, symbolist, symbolize, symbology, taurobolium, thromboembolism
bapt- (ΒΑΦ^[44])	dip	Greek	βάπτειν (báptein), βάμμα (bámma)	abaptiston, Anabaptist, baptism, baptize
bar-^[45]	weight, pressure	Greek	βαρύς (barús), βάρος (báros)	abarognosis, antibaryon, baresthesia, bariatric, baritone, barognosis, barogram, barograph, barometer, barometric, barophobia, barostat, barycentre, barycentric, baryogenesis, baryon, barysphere, baryton, barytone, hyperbaric, hypobaric, isobar, isobaric
bas-	step	Greek	βάσις
bath-	deep, depth	Greek	βαθύς (bathús), βάθος (báthos)	batholith, bathophobia, bathos, bathymetry, bathyscaphe, bathysphere, isobathic
be-, beat-	bless	Latin	beare, beatus	beatification
bell-, belli-	war	Latin	bellum, belli	antebellum, bellicose, belligerent, rebellion
ben-	good, well	Latin	bene (adverb)	beneficence, benefit, benevolent, benign, benignant, benignity
bet-	B, b	Greek	beta	alphabet, alphabetic, analphabetic, panalphabetic, polyalphabetic
bi-, bin-, bis-	two	Latin	bis, "twice"; bini, "in twos"	bicycle, biennial, bifocal, bisexual, bigamy, binary, binoculars, bipod bipolar biscotti
bib-	drink	Latin	bibere, bibitus	bib, beer, beverage, imbibe
bibl-^[46]	book	Greek	βίβλος (bíblos), βιβλίον (biblíon) "book"	bible, biblioclasm, biblioclast, bibliogony, bibliographic, bibliography, biblioklept, bibliomancy, bibliomania, bibliophile, bibliophilia, bibliophobe, bibliophobia, bibliotaph
bio-, bi-^[47]	life	Greek	βιοῦν (bioûn), βίος (bíos) "life", βιωτός (biōtós), βιωτικός (biōtikós), βίωσις (bíōsis)	abiogenesis, abiotic, aerobiology, anhydrobiosis, anoxybiosis, antibiotic, astrobiology, autobiography, biocentrism, biochron, biocoenosis, biogenesis, biographic, biography, biologism, biologist, biology, biome, biometric, biomorph, biomorphism, biophilia, biophysicist, biophysics, biopoiesis, biopolymer, biopsy, biorhythm, biosemiotic, biosphere, biostasis, biosynthesis, biota, biotic, biotin, biotope, biotype, biozone, chemobiosis, cryobiosis, cryptobiosis, ectosymbiosis, endosymbiont, endosymbiosis, enterobiasis, exobiology, macrobiotic, microbiology, osmobiosis, probiotic, symbiogenesis, symbiology, symbiont, symbiosis, symbiotic
blast-^[48]	germ, embryo, bud, cell with nucleus	Greek	βλαστάνειν (blastánein), "to sprout, bud", βλαστός (blastós), βλάστημα (blástēma)	blastema, blastochyle, blastocoel, blastocoele, blastocyst, blastoderm, blastoma, blastula, cytotrophoblast, diploblasty, ectoblast, endoblast, entoblast, fibroblast, osteoblast, sideroblast
blenn-	slime	Greek	βλέννος (blénnos)	blennadenitis, blennophobia, blennosperma, blennorrhagia
bol-	throw	Greek
bol-^[49]	clod, lump	Greek	βῶλος (bôlos)	bole, bolus, embolism
bomb-^[50]	boom	Greek	βομβεῖν, βόμβος, βόμβησις	bomb, bound
bon-	good	Latin	bonus	bonify, bonitary
bore-	north	Latin from Greek	borealis "northern" from Βορέας (Boréas) "the north wind"	borealis
botan-	plant	Greek	βοτάνη, βότανον (botánē, bótanon), βοτανικός	botanic, botanist, botanology, botany
bov-, bu-	cow, ox	Latin	bos (genitive bovis) "ox, cow"	beef, boor, bovine, bucinator muscle
brachi-, brachio-	arm	Latin from Greek	bracchium	brachiferous, brachial artery, brachiocubital
brachi-, brachio-, brachion-, brachioni-	arm	Greek	βραχίων (brakhíōn)	brachialgia, brachionerysipelas, brachionigraph, brachiorrhachidian, brachiosaurus
brachy-^[51]	short	Greek	βραχύς (brakhús)	amphibrach, brachistochrone, brachycephaly, brachydactyly, brachyury, dibrach, tribrach
brady-, bradys-^[52]	slow	Greek	βραδύς (bradús), βράδος (brádos)	bradycardia, bradysuria, bradytelic
branchi-	gill	Greek	βράγχιον (bránkhion)	branchiopneustic, branchiopod, nudibranch
broc-	rain, wet	Greek	ἐμβροχή (embrokhḗ)	embrocation, embrocate
brev-	brief, short (time)	Latin	brevis, breviare	abbreviate, brevextensor, brevicaudate, brevity, brief
bromat-, bromato-, broma-, bromo-	food	Greek	βρῶμα (brôma)	bromatium, bromateccrisis, bromatherapy, bromatology, bromography
brom-^[53]	oats	Greek	βρόμος, βρόμη (brómos, brómē) "oats"	brome, Bromus, Bromus ramosus
brom-	stench	Greek	βρῶμος (brômos) "stench, clangor"	bromate, bromide, bromine, bromoderma, organobromine
bronch-^[54]	windpipe	Greek	βρόγχος (brónkhos), βρόγχια (brónkhia)	bronchia, bronchiole, bronchion, bronchitis, bronchomalacia, bronchopneumonia, bronchus, tracheobronchomalacia
bront-^[55]	thunder	Greek	βροντή (brontḗ)	brontology, brontophobia, Brontosaurus
brot-^[56]	mortal	Greek	βροτός (brotós)	ambrosia, ambrotype
bucc-	cheek, mouth, cavity	Latin	bucca	buccal, buccilingual, buccolingual
bulb-	bulbous	Latin	bulbus	bulbiform, bulbiparous, bulboartrial, bulborrhexis, bulbous, bulbule
bull-	bubble, flask	Latin	bullire, bulla	bullectomy, bulliferous, ebullient, ebullism

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
cac-, kak-^[60]	bad	Greek	κακός (kakós), κάκιστος (kákistos)	cachexia, cacistocracy, cacodemon, cacoepy, cacography, cacophobia, cacophobe, cacophobic, cacophonous, cacophony, cacorrhacitis, kakistocracy, kakistocrat
cad-, -cid-, cas-	fall	Latin	cadere, casus	accidence, accident, accidental, cadaver, cadaverine, cadaverous, cadence, cadency, cadent, cadential, cadenza, caducity, caducous, cascade, case, casual, casualty, casuistry, chance, cheat, chute, coincide, coincidence, coincident, coincidental, decadence, decadent, decay, decidua, decidual, deciduate, deciduation, deciduous, demicadence, escheat, escheatable, escheatage, escheatment, escheator, incidence, incident, incidental, nonaccidental, nondeciduous, nonincidental, parachute, postaccident, procidentia, recidivous, semelincident
caed-, -cid-, caes-, -cis-	cut, kill	Latin	caedere, caesus	caespitose, caesura, cement, cementation, cementitious, cementum, cespitose, chisel, circumcise, circumcision, concise, concision, decidability, decidable, decide, decision, decisive, deciso, excide, excise, excision, excisional, fungicide germicide, genocide, herbicide homicide, imprecise, imprecision, incise, incision, incisive, incisor, incisory, incisure, indecision, indecisive, occision, pesticide, précis, precise, precision, scissors, semidecidable, succise, succision, suicide
cal-, call-	beautiful	Greek	καλός (kalós) "beautiful"; κάλλος (kállos) "beauty", κάλλιστος (kállistos)	calisthenics, calligraphy, Callista, Callisto, calophyllous, kaleidoscope
cal-	call	Latin	calare	calendar, claim, class, conciliate, conciliatory, council, intercalate, nomenclature
cal-	heat	Latin	calere, calor "heat"	caldarium, caldera, calefacient, calefaction, calefactive, calefactory, calenture, calescent, calid, calor, calore, caloric, calorie, calorifacient, calorific, calorigenic, calorimeter, caudle, cauldron, chafe, chafery, chalder, chaldron, chaud-froid, chauffer, chauffeur, chauffeuse, decalescence, decalescent, nonchalance, nonchalant, recalescence, scald
calc-	calcium ,stone	Latin and Greek	from Latin calx (genitive calcis) "lime", from Greek χάλιξ (khálix) "pebble", "limestone"	calcite, calcitrant, calcium, calculate, calculus, chalicothere, chalk, recalcitrant
calv-, calum-	trick, lie, deceive	Latin	calumnia "slander, trickery", from calvi "to trick, deceive"	calumnious, calumny, cavil, challenge
calyp-^[61]	cover	Greek	καλύπτειν (kalúptein), καλυπτός (kaluptós), κάλυξ, κάλυκος (kálux, kálukos)	apocalypse, apocalyptic, apocalypticism, calyce, calyptra, Calyptrogyne, calyx, epicalyx, eucalypt, eucalyptus
cameria-	vault	Latin	camera	antechamber, bicameral, camaraderie, camber, camera, chamber, chamberlain, comrade, concamerate, concameration, multicamera, tricameral, unicameral
camiso-	shirt	Latin	camisia	camisade, camisado, Camisard, camisole, chemise
camp-	field	Latin	campus "field", "level ground"	camp, campaign, campesino, campestral, campicolous, campimetry, campo, campsite, campus, champertous, champerty, champignon, champion, decamp, decampment, encamp, encampment
can-	dog	Latin	canis	canaille, canary, canicular, canicule, canid, canine, Canis, Canis Major, postcanine
can-	reed, rod	Greek	κάννα (kánna), κανών (kanṓn)	cane, canister, canon, canonic
can-, -cin-, cant-, -cent-	sing	Latin	canere, cantus	accent, accentual, accentuate, accentuation, canción, canorous, cant, cantabile, cantata, cantation, cantatory, cantatrice, canticle, canticum, cantiga, cantilena, cantillate, cantillation, cantion, canto, cantor, cantus, canzona, canzone, Carmen, chanson, chansonnier, chant, chanteur, chanteuse, chanticleer, charm, concent, descant, discant, discantus, disenchant, disenchantment, disencharm, disincentive, enchant, enchantment, enchantress, incantation, incantational, incentive, plainchant, precentor, recant, recantation, succentor, vaticinate, vaticination, vaticinator
cand-, cend-	glowing, iridescent	Latin	candere "to be white or glisten"	candela, candid, candidate, candle, candor, incandescent, incendiary, incense
cap-, -cip-, capt-, -cept-	hold, take	Latin	capere, captus "take or hold" (vowel changes from atoi in compounds)	capable, capacious, captive, caption, captivate, capture, conception, except, forceps, incipient, intercept, recipient
capit-, -cipit-	head	Latin	caput, capitis	achievable, achieve, achievement, ancipital, ancipitous, biceps, bicipital, cabotage, cad, caddie, cadet, cape, capital, capitular, capitulate, capitulation, captain, chapter, chaptrel, chattel, chef, chief, chieftain, co-captain, co-captaincy, decapitate, decapitation, occipital, occiput, precipitation, precipitous, quadriceps, recap, recapitulate, sincipital, sinciput, sous-chef, subcaptain, triceps, tricipital, unicipital, vice-captain, vice-captaincy
capn-^[62]	smoke	Greek	καπνός (kapnós), καπνόομαι	capnogram, capnograph, capnography, capnolagnia, capnomancy, capnometer, capnometry, capnomor, capnophile, hypercapnia, hypocapnia
capr-	goat	Latin	caper (genitive capri) "goat", also capreolus "wild goat"	cab, caper, caprice, Capricorn, caprine
caps-	box, case	Latin	capsa	capsule
carbon-	coal	Latin	carbo, carbonis	bicarbonate, carbon, carbonara, carbonate, carbonation, Carboniferous, carbuncle, radiocarbon
carcer-	jail	Latin	carcer, carcerare, cancelli	chancel, chancellery, chancellor, chancery, incarcerate, incarceration, subchancel
carcin-	cancer (disease)	Latin from Greek	Latin from Greek καρκίνος (karkínos) "crab"	carcinogenic, carcinoma
cardi-^[63]	heart	Greek	καρδιά (kardiá)	cardiac, cardialgia, cardiograph, cardioid, cardiologist, cardiology, cardiomegaly, cardiomyopathy, cardioplegia, cardioplegic, cardiospasm, electrocardiogram, electrocardiography, endocardium, epicardium, hemicardia, myocardium, neurocardiology, pericardium
cardin-	hinge	Latin	cardo, cardinis	cardinal, cardinality, kern
carn-	flesh	Latin	caro, carnis	carnage, carnal, carnality, carnary, carnate, carnation, carneous, carnival, carnivore, carnose, carnosity, carrion, caruncle, carunculate, charcuterie, charnel, discarnate, incarnadine, incarnate, incarnation, reincarnate, reincarnation
carp-^[64]	fruit	Greek	καρπός (karpós)	acarpous, acrocarpous, amphicarpous, angiocarpous, anisocarpic, Carpo, carpogonium, carpology, carpophagous, carpophore, carpospore, cystocarp, dipterocarp, endocarp, epicarp, exocarp, Karpos, mericarp, mesocarp, monocarpic, pericarp, polycarpic, procarp, pseudocarp
carp-^[65]	wrist	Greek	καρπός (karpós)	carpal, carpal tunnel syndrome, carpus, metacarpus
cast-	pure, cut	Latin	castrare and castus, from kes- (to cut)	caste, castigate, castrate, chaste, chastity, incest
cata-, cat-	down, against, back	Greek	κατά (katá) "down, against, back"	catabolic, catacomb, catalyst, catarrhine, catastrophe, catatonia, cathode, cation
caten-	chain	Latin	catena	catenary, concatenation
cathar-^[66]	pure	Greek	καθαρός (katharós)	catharsis, cathartic
caud-	tail	Latin	cauda	caudal, coda
caus-, -cus-	cause or motive	Latin	causa	accuse, because, causal, causative, cause, excuse
caust-, caut-	burn	Greek	καίειν (kaíein), καυστός, καυτός (kaustós, kautós), καυστικός (kaustikós), καῦσις (kaûsis), καῦμα (kaûma)	calm, catacaustic, causalgia, causalgic, caustic, cauter, cauterize, cautery, diacaustic, encaustic, holocaust, hypocaust
cav-	hollow	Latin	cavus	cave, cavity, excavation, cavern, cavernous, concave
ced-, cess-	move, yield, go, surrender	Latin	cedere, cessus	accede, cede, concede, precede, procedure, proceed, procession, recede, secede, succeed, success
cel-	hide	Latin	celare "to hide"	ceiling, clandestine, conceal, occult
celer-	quick	Latin	celer, celerare	acceleration, celerity

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
da-, dida-^[99] (ΔΑ)	learn	Greek	δάω	autodidact, Didache, didact, didactic, didacticism
dacry-^[100]	tear	Greek	δάκρυον, δακρύειν, δάκρυμα (dákruma)	dacryoadenitis, Dacryphilia
dactyl-^[101]	digit, finger, toe	Greek	δάκτυλος (dáktulos)	anisodactyly, antidactylus, arachnodactyly, artiodactyl, brachydactyly, clinodactyly, dactyl, dactylic, dactylology, dactylomancy, dactylomegaly, dactylus, dactyly, date, didactyly, ectrodactyly, heterodactylous, heterodactyly, leptodactylous, monodactyly, oligodactyly, pamprodactyly, pentadactyl, pentadactylous, pentadactyly, perissodactyl, polydactyly, pterodactyl, schizodactyly, syndactylous, syndactyly, tetradactylous, tetradactyly, tridactyly, zygodactyly
dam-^[102] (ΔΑΜ)	tame	Greek	δάμασις (dámasis), ἀδάμας (adámas) "untameable, invincible"	adamant, adamantine, adamantinoma, Damian
damn-, -demn-	to inflict loss upon	Latin	damnum, damnāre	condemn, condemnation, damage, damnation, indemnify, indemnity
de-^[103]	bind	Greek	δεῖν (deîn), δετός, δέσις (detós, désis), δέμα (déma), δεσμός (desmós), δέσμα (désma)	arthrodesis, asyndeton, desmid, desmitis, desmoid, desmoplasia, desmosome, diadem, plasmodesma, polysyndeton, syndesis, syndesmosis, syndetic, syndeton
de-	down, away from, removing	Latin	dē	decay, decide, declare, decline, decompose, dedicate, deduce, defend, deletion, delineate, delude, demarcate, dementia, depress, derogatory, desecrate, descend, destroy, detract
deb-	owe	Latin	debere, debitus	debit, debt
dec-^[104]	ten	Latin from Greek	δέκα (déka) "ten", δεκάς, δεκάδος (dekás, dekádos), δεκάκις (dekákis) "ten times", δεκαπλάσιος (dekaplásios) "ten-fold" decem, "ten" decies, "ten times" decumo, "tenfold"	decad, decade, decagon, decagram, decahedron, Decalogue, decamer, decamerous, decameter, decapod, decathlon
decim-	tenth part	Latin	decimus, tenth; from decem, ten	decimal, decimate, decimation, decimator, decuman, dime
decor-	ornament	Latin	decorus "fit, proper" and decorare "to decorate", from decor "beauty, ornament" and decus "ornament"	decor, décor, decorament, decorate, decoration, decorative, decorator, decorous, decorum, redecorate
del-	erase	Latin	delere (from dē + linere)	delete, deletion, indelible
delt-^[105]	D, d	Greek	Δ, δ, δέλτα (délta)	delta, deltoid, deltahedron
dem-, dom-^[106]	build	Greek	δέμειν (démein), δῶμα, δῶματος, δομή, δόμος (dómos), δέμας (démas)	apodeme, monodomy, opisthodomos, polydomy
dem-^[107]	people	Greek	δῆμος (dêmos)	Damocles, demagogue, deme, democracy, demographic, demography, demonym, demophobia, demotic, ecdemic, endemic, epidemic, epidemiology, pandemic
den-	ten each	Latin	dēnī	denar, denarian, denarius, denary, denier, dinar, dinero, dinheiro
dendr-^[108]	tree	Greek	δένδρον (déndron); akin to δρύς (drús) "tree"	dendric, dendrite, dendrochronology, dendrogram, dendromancy, Epidendrum, rhododendron
dens-	thick	Latin	densus	condensable, condensate, condensation, condensational, condensative, condense, dense, density, nondense, superdense
dent-	tooth	Latin	dens, dentis	bident, bidental, dandelion, dental, dentary, dentate, dentation, dentelle, denticity, denticle, denticulate, dentiferous, dentiform, dentifrice, dentigerous, dentil, dentin, dentinal, dentine, dentition, denture, indent, indentation, indenture, interdental, interdentil, intradental, multidentate, quadridentate, trident, tridentate
der-^[109]	skin	Greek	δέρειν (dérein), δέρμα, δέρματος (dérma, dérmatos)	Dermaptera, dermatology, dermis, ectoderm, endoderm, epidermis, hypodermic, mesoderm, scleroderma, taxidermy, xeroderma
despot-^[110]	master	Greek	δεσπότης, δεσπότου, δεσποτικός, δεσποτεία, δεσποτίσκος	despot, despotic, despotism
deuter-^[111]	second	Greek	δεύτερος (deúteros)	deuteragonist, deuteranomaly, deuteranopia, deuteride, deuterium, deuterogamist, deuterogamy, Deuteromycota, deuteron, Deuteronomy, deuterostome
dexi-^[112]	right	Greek	δεξιός (dexiós)	Dexiarchia
dexter-	right	Latin	dexter	ambidexterity, ambidextrous, dexter, dexterity, dexterous, dextral, dextrality, dextrin, dextrorse, dextrose
di-	two	Greek	δι- (di-)	diatomic, dicot, digamy, diode, dipole
dia-^[113]	apart, through	Greek	διά (diá)	deacon, diagram, dialysis, diameter
div-, diff-	different	Latin	diversum	different, divergence, diversity, divide, diffeomorphism
diacosi-^[114]	two hundred	Greek	διακόσιοι (diakósioi), διακοσιάκις "two hundred times"	diacosigon, diacosipentecontaheptagon
dic-, dict-	say, speak, proclaim	Latin	dīcere, dictus, dictare	benediction, condition, contradict, dictate, dictation, dictator, diction, dictionary, dictum, edict, indictment, interdiction, malediction, predict, prediction, valediction, verdict
dida-	teach	Greek	διδάσκειν (didáskein)	autodidact, Didache, didact, didactic
digit-	finger	Latin	digitus	bidigitate, digit, digital, digitate, digitiform, digitigrade, multidigit, multidigitate
din-^[115]	terrible, fearfully great	Greek	δεινός (deinós)	dinosaur
dipl-^[116]	twofold	Greek	διπλόος (diplóos), δίπλωσις (díplōsis), δίπλωμα (díplōma)	diploblasty, diploid, diploidy, diploma, diplomacy, diplomat, diplomatic, diplomatics, diplonema, diplophase, diplopia, diplosis, diplotene, haplodiploid, haplodiploidy
do-^[117] (ΔΟ^[118])	give	Greek	διδόναι (didónai), δοτός, (dotós,), δόσις (dósis), δόμα, δόματος (dóma, dómatos) δῶρον, διδόμενον	anecdote, antidoron, antidote, apodosis, dose
doc-, doct-	teach	Latin	docere, doctus	docile, doctor, doctrine, document, indoctrinate, indoctrination
dodec-^[119]	twelve	Greek	δώδεκα (dṓdeka)	dodecagon, dodecahedron, Dodecanese, dodecaphony, dodecastyle, dodecasyllabic, hemidodecahedron
dog-, dox-	opinion, tenet	Greek	δοκεῖν (dokeîn) "to appear, seem, think", δόξα (dóxa) "opinion", δόγμα (dógma)	dogma, dogmatic, dogmatism, doxology, heterodox, orthodox, paradox
dol-	pain	Latin	dolere "to grieve", also dolus "grief" and dolor "pain"	condolence, dol, doleful, dolorous, indolence
dom-	house	Latin	domus	dame, domal, dome, domestic, domesticate, domestication, domesticity, domestique, domicile, domiciliary, major-domo, semidome
domin-	master	Latin	dominus "master"; (from domus "house")	beldam, beldame, belladonna, codomain, codominance, codominant, condominium, dam, dame, damsel, danger, demesne, demoiselle, domain, dominance, dominant, dominate, domination, dominative, dominator, dominatrix, domine, domineer, dominicide, dominion, dominium, domino, duenna, dungeon, madam, madame, mademoiselle, madonna, predominance, predominant, predominate, quasidominance, semidominance, subdominant, superdominant