Selection of Latin roots

The following is from http://meriko2.tripod.com/roots.htm

Below is a selection of Latin roots that should help you win at Scrabble, ace Grad School Boards, and look like an erudite poser at cocktail parties.

Latin Root(s)	Definition(s)	Example(s) of Root(s)
acerbus, acris, acuere	sharp, to sharpen, needle, bitter	acerbate, acupuncture, acuity, acrimony
aequare	to make equal, even	equivocate, adequate, equilibrium
aevum	age	coeval, medieval
ager, agri, agro	field	agrestic, agronomy
agere, actum, agitare	to act, to do	agility, react, agitate
alius	other, else	alias, alienate
alter	other	altercation, adulterate
altus	high	altimeter, exaltation, alto
ambulare	to walk, to go	preamble, ambulatory
amare, amor, amatum, amicus	to love, love, friend	amateur, amiable, enamored
anima	life, soul, breath, mind	animosity, inanimate, unanimous
annus	year	biennial, centennial, annual
apparere	to come forth, be visible	apparent, appearance, apparitor
aptare, aptus, apere	to fit, suitable	aptitude, adaptable, ineptitude
aqua	water	aqueous, aquarelle
arbiter	judge	arbitration, arbitrary
arbor	tree	arboretum, arboreal
ardere	to burn	arduous, ardor
artis	art	artifice, artifact, artisan
audire	to hear	audit, audible
augere	to increase	augmentation, augur, august
avis	bird	avionics, aviation, aviary, avian
beatus	blessed, happy	beatific, beatitude
bellare, bellum	to wage war, war	rebellious, bellicose
bene	well	benevolence, beneficent
bonus, bon	good	bonanza, bonny, bon voyage
brevis	short, brief	abbreviate, breviary
cadere	fall	recidivism, cascade, cadaver, decadent
caedere, cide	to cut, kill	incision, pesticide
canere, cantare, cantus	to sing	recant, chant, cantata
capere, captum, cip, cept	to take, hold, contain	capacious, incipient, intercept participate, capable, captive, conceive, precept
caput, capitis	head	cape, chapter, biceps, capital
carnis	flesh	carnal, carnival, incarnate, carnivore
cavare, cavus	to make hollow	cavernous, cavity, excavate
cedere, cessum	to go, withdraw, move	concession, recede, access
centrum	center	eccentric, concentric, concentrate
centum, centi	hundred, tenth, ten	percent, centimeter, centurion
cernere, certus	to see as being different, to sift, distinguish	discern, secret, certitude
civis, civilis	citizen, community	civic, city, civility
clamare, clamor	to shout, cry out acclaim, clear, to make clear	reclamation clarare, clarus, clarify, clarity, declaration, claret
claudere, clausum	to shut, close	recluse, cloister, enclosure, conclusion
clemens	mild, merciful	clemency, inclement
clinare	to lean, slope	clinometer, incline
colare	to strain, filter	portcullis, percolate, colander
colere, cultus	to till, care, cultivate	cultivation, culture, cult
coquere, coctum	to cook, to mature	precocious, concoction, cook
cor, cordis	heart	courage, cordial, accord
corium	skin, hide	excoriate
corona	crown	corona, coronation, coronary
corpus	body	corporation, corporeal
credere, credens	to believe, trust	credentials, credit, incredible
crescere, cretum	to grow	crescendo, concretism, accretion, increase
crimen	crime, offense	criminology, incriminate
cruciare, crux, crucis	to torture, cross	excruciating, crusade, cruzeiro
culpare	to blame, fault	culpable, exculpate
cumulare	to heap up	cumulative, accumulate
curare, cura, curatus	to take care of, concern	curate, curious, manicure
currere, cursus, cour	to run, go	occur, precursor, concur, course
dens, dentis	tooth	denture, endodontia, dentifrice
deus, dei	god	deify, deity, deism
dexter, dextro	right, right hand	ambidextrous, dextrorotation
dicere, dictare	to speak, say	abdicate, indict
dignus	worthy, fitting, suitable	condign, dignitary
dirigere, directus	to direct	dirge, dirigible, address-- -- -- -- --see "regere" below
docere, doctum	to teach	document, docent, doctrine
dominus	lord, master	danger, domineer
domus	a dwelling, home	domesticity, major-domo
donare, do	to give, to forgive	condone, donation, donor
dormire, dorm	to sleep	dormouse, dormitory
ducere, ductum	to lead, take, bring	abduct, seduction, conducive, duke, education
durare, durus	to harden, hard	obdurate, duress
errare, erratum	to wander, go astray	aberration, err, erratic
fabula	story	confabulate, fable, fabulous
facere, factum, fect, fic	to make, to do	manufacture, sufficient, facsimile
fallere	to deceive, disappoint	fallacious, infallible, fail
ferre, latum	to bear, to carry	relate, confer, referendum
ferrum	iron	ferrotype, ferric, ferrous
fervere	to boil, glow, rage	fervor, effervescent
fidere, fidelis, fides	to trust, believe, faith	perfidy, fiduciary, confidant
filius, filia	son, daughter (respectively)	filial, affiliation
finire, finis, fin	to end, to limit	infinity, finite, confinement
firmare	to make firm, strengthen	affirm, confirmation, firmament
figare, fixus	to fasten, attach	fixative, crucifix, suffix
flare, flatus	blow	deflate, inflation
flectere, flexus	to bend	flexible, deflection, inflection
fluere, fluxum, fluctus	to flow	confluence, fluid, effluvium, influx, flume
foedus, fed	league	confederacy, federation
fortis	strong	fort, comfort, fortify, force
frangere, fractum	to break	fraction, frangible, infringement
frater	brother	fraternal, fraternize
fugere, fugitum	to flee	centrifugal, fugue
fumus	smoke	fumitory, fumarole
fundere, fusum	to pour	refund, diffuse, profound
generare, genus1	birth, origin, race, species, kind, to beget, produce	generous, generic, gentle, genre, engender, generation
gerere, gestum	to carry, to bear	belligerent, gesture, digest, gestation
glomerare	to form into a ball	conglomeration, glomerulus
gnoscere, cognoscere, gnarus, cognitum	to know	incognito, cognition, ignorant, gnostic
gradi, gressus, gradus	to step, to walk, a degree	progress, graduate, centigrade
granum, grani	seed, kernel	granary, granule
gratia, gratus	agreeable, favor, thanks	congratulate, gratitude, grace
gravare, gravis	to weigh down, heavy	aggravate, gravamen, gravid, grief
grex, gregis, gregar	flock, herd, to gather into a flock	segregate, congregation gregarious
habere, habitum	to have, hold	habit, inhibit
haerere	to stick	coherence, adhere
herba	grass, herb	herbivorous, herbaceous
hilarare, hilaris	to gladden, merry	hilarious, exhilarate
homo	man	homicidal, hominize
horrere	to shudder, terrible	horrendous, abhor
hospes	guest, host	hospice, hostage, hostess
ire, itum, itineris	to go, journey, walk	itinerant, transit, initiate
jacere, ject, jactum2	to lie, cast oneself down, to throw	reject, adjacent, eject
jicere2	to throw between	interjection
judex, judicare	judge	judicious, prejudice, judge
jungere, junctum	to join	conjugal, junction, joint
jus, juris, jurare	law, right, to swear	jurisprudence, abjure, perjury, juror, injury, justify
juvenis	young	rejuvenate, juvenescent
laborare	to work	collaborate, elaborate, laboratory
lacto, lact	milk	lacteal, lactose
lapis	stone	lapis lazuli, lapidate
latus	side	lateral, bilateral, collateral
laudare, laudatum	to praise, glory	laudable, allow
lavare	to wash	lavender, laver, lavish, lavabo
laxare	to loosen, widen	relax, laxity
legere, lectum3	to read, choose, gather	elegant, elite, collect, dialect, legend, select, election,neglect
lex, legis, legalis3	law	privelege, illegitimate, legislature, lex non scripta, legal
liber	book	libel, libretto
liber	free	libertine, deliberate, liberal
ligare	to bind	allegiance, ally, oblige, ligature
lingua	tongue, language	linguistics, lingual, language
littera	letter	obliterate, literature, letter, literati
locare, locus	to place, place	dislocate, allocate, local
loqui, locutus	speak, talk	soliloquy, loquacious, circumlocution
lucere, lux, lucis, lumen	to shine, light	translucent, Lucifer, luminous
ludere, lusum, ludus	to play, to mock	illusion, interlude, ludicrous
luna	moon	lunate, lunatic, lunation, lunula
magnus, magna	great	magnanimous, Magna Carta
malus, mal	bad, evil, wrong	malevolent, malfeasance, grand mal
mandare, mando	to order, to command	mandate, commandment, mandarin
manus, mani, man	hand	emancipate, manifest, manumit
mare	sea	mariner, aquamarine, mare
mater	mother	alma mater, maternity
mecari	to trade, buy	merchant, market
medius, medio	middle	medieval, intermediary
mens	mind	mention, mentation
migrare	to move from one place to another	migratory, emigrant
militare	to serve as soldiers	demilitarize, militia
mille	thousand	millennium, millivolt
minimus, minor	least, small	minimal, minimize, minute
mirare, miror, mirari	to look at, to wonder at	miracle, mirage, admiral
mittere, missum	to send, let, go	emissary, remit, admittance, commissary
monere, monitus	to warn	monitor, admonition
morbus	disease	morbid, morbilli
mordere, morsun	to bite	morsel, remorse, mordacious
moris	manners, customs	morality, mores
mors, mortis, mori	deather, to die	post-mortem, mortgage, mortmain
movere, motus	to move	locomotive, motion, motor
multus	much, many	multiply, multimedia
mutare, mutatum	to change	molt, mutation
nascor, natus	to bear, to born	native, prenatal, nature, renaissance
negare, negatus	to deny	negation, abnegate
nihil	nothing	annihilate, nil
nocere	to harm, injure	innocent, innocuous, obnoxious
nominare, nomen, nominis	to name, name	nominate, misnomer, nomenclature
norma	rule	normative, enormity
notare	to mark, note	notation, notary, connotation
novus	new	renovate, novice, nova
nox, noct	night	equinox, noctuid
nullus	none	annul, nullifidian
numerus	number	enumerate, supernumerary, numerology
nuntiare, nuntius	to report, tell, messenger	nuncio, renounce
oculus	eye	monocle, binocular
opus, operari	work, to work	magnum opus, opera, operative
parare, par, pari	to make equal, equal	disparate, parity, peer
passus, pati	suffer	patient, passive
pater	father	paternoster, patronize
pax, pacis	peace	pacific, appease
pedis, pes	foot	expedition, pedicel
pellere, pulsus	to drive, driven	compel, expel, propellant, pulsate
pendere, pensare, pendulus	to weigh, hang, weight	impending, compendium, appendage, expenditure
petere	to rush at, seek	impetuous, petulant, petition
placare, placidus, placere	to soother, gentle, to please	placate, implacable, placebo, please
plaudere, plauseum	to clap, applaud	plaudit, implode
plenus	full	plenipotentiary, replenish, plenty
plere, pletum	to fill	expletive, replete
plicare, plicatum, plicit, ply	to fold	reply, implicate, complicate, explicate, plait
plus, pluris	more	pluriaxial, plurality, surplus
ponere, positum	to place	position, opposite, depot
populus	people	popularity, populace
portare, port	to carry	portage, export
portio	share, portion	apportion, proportion
potens, potentis	powerful	potentate, potentiometer
prehendere, prehensum	to seize, take hold	apprentice, reprehensible
pressus	pressed down	depress, oppress, impress
pretiare, prec	to value	depreciation, precious, price
primus, primatis	first	primordial, prima facie
privare	separate, peculiar	privilege, deprive
probare, probatum	to prove, test	probation, prove
proximus	nearest	approximate, proximity
pugil, pugnare	boxer, to fight	repugnant, pugilist
* purgare	to clean	purge, purgatory, expurgation
putare	to think, estimate	computer, reputation
quaerere, quaesitus	to ask, seek	exquisite, inquisition, conquer, quest
radius	ray	radiation, radian
radix	root	radicle, radical, eradicate
rapere	to seize	rapture, surreptitious, usurp, ravish
ratus	fixed by calculation	reason, ration
regere, rectus4	right, to make straight	erect, rectitude, rectus
regere, rex, regis4	to rule, king	regency, regal, corrigible, regimen, direct, rule, regular
ridere, risum	to laugh	derision, redicule
rogare, rogatum	to ask	arrogance, rogation, interrogate
rotare, rotatus, rota	to turn, wheel, turned	rotation, rotary, rotor
rumpere, ruptus	to break, broken	rupture, interrupt
sacer, sacrare5	holy, to make holy	consecrate, sacrifice, sacrarium
sagax, sagacis, sapare	wise, to taste, know	sage, sagacious, sapient
sal	salt	salimeter, saline
salire, saltum	to leap, jump	sally, saltatory, resile, result
salvare	to save	save, salvation, salvage
sanctus5	holy	sanctity, sanctuary, sacrosanct
sanguis	blood	sangria, sanguine, consanguinity
sanitas, sanatorius	health, healthy	sanitation, sanitarium
satis, satiare	enough, to fill full	sated, insatiable, satisfaction
scandere	to climb	ascend, descendant, ascension
scire, sciens	to know, knowing	omniscient, science
scribere, script	to write, the thing written	describe, subscription, scribe
secare, sect	to cut	intersection, secateurs
sedere, sess	to sit	sediment, sedan, session, president
seminare, semen	to sow, seed	seminal, disseminate, seminary
sentire, sensum	to feel, perceive	consent, sensible, sentient
sepsis	putrefaction, poison	septic, septicemia, aseptic
sequens, sequi	to follow, following	prosecute, second, sequential, pursue, non sequitur
signare, signum	to mark out	assignation, consignment
similare, simulare	to make like, to feign	similar, facsimile, simulation, assimilate
socius, sociare	companion, to join	social, society, association
sol	sun	solar, solstice
solare, solus	to make lonely, alone	solo, solitary
solvere, solutum	to loose	solvent, dissolute, soluble
somnus	sleep	somnolent, somniloquy
sonus	sound	dissonance, unison, sonorous
sors, sortis	lot, a share	sort, consortium
specere, spectum, spic	to look at, see	perspicacity, specify, spectacle, retrospect, prospect, perspective
spirare	to breathe	spirit, aspirator, expire, inspiration, respiration, aspire
spondere, sponsus	to pledge, promise	spouse, correspondence
stare, stet, stat	to stand	stable, establish, statue, superstition, distant
stellare, stella	to shine, star	constellation, stelliferous
stringere, strictum	bind, draw tight	astringent, constriction, strict
struere, structus	build, arrange, pile up	misconstrue, instruct, instrument
surgere, surrection	to rise, risen	insurgency, resurrection
tangere, tactus	to touch	tangent, tactual
tegere, tectus	to cover, covered	integument, detection, protect
temperare, tempus	time	tense, contemporize, temper
tendere, tent	to stretch, strain, thin	pretentious, tenuous, contend, tend, tense
tenere, tain	to hold	pertain, abstinence, tenacious, tenant
tentare, tent	to touch, try	tentacle, tentatively
terminus	limit, end, boundary	determine, terminator
terra	earth	terra firma, terrace
torquere, tortum	to twist, twisted	contortionist, extort, torsion, torque
tradere	to deliver	extradite, tradition, treason
trahere, tract	to draw, drawn	subtract, tractable, protract
tribuere, tributus, tribus	to assign, allot, pay	tributary, attribute, distribute
trudere, trusus	to thrust, thrust	intrusion, protrusile
toxicare, toxicum	to smear with poison	toxic, toxoplasmosis, toxicology
tumere	to swell	tumescence, tumult, contumelious
turbare, turba	to disturb	perturb, turbid
unus, uni	one	union, unipetalous
urbs, urbanus	city	exurb, urbanologist
vacare, vacuus	to be empty, empty	vacuity, vacuous, evacuate
vagari	to wander	extravagant, vagaries
valere, validum	to be strong, to have worth	valor, valid, evaluate
velle, volens	wish, willing	volition, velleity
verbum	word	proverb, verbatim
venire, ventum	to come	revenue, convention, advent, contravene
vertere, versum	to turn, change, incline	vertigo, verse, introvert, versatile, anniversary
verus	TRUE	verily, verify, very
vestire	to dress	vestment, divest, investiture
via	way	pervious, viaticum
videre, visum	see, look, provide	provident, visible, supervise
vincere	to overcome, conquer	invincible, convince, victor
violare, violatus	to violate	violation, inviolate
vir	man	triumvirate, virago
vita	life	vitality, vitamin
vivere, vita	to live, life	revive, viviparous, vonvivial
vocare, vocatum, vox	to call, voice	vociferous, convocation, irrevocable, revoke
volvere, volutum	turn	involve, revolt, devolve
vorare	to devour	voracious, carnivore, omnivorous