Greek and Latin roots in English_F

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
fab-	bean	Latin	faba	faba bean
fac-, fact-, -fect-, -feat, -feit, -fic-, -ify	do, make	Latin	facere, factus	affair, affect, affectation, amplify, artifact, artifice, benefactor, benefice, benefit, confection, counterfeit, defeat, defect, disaffect, edifice, effect, effective, effectual, face, facile, facsimile, fact, faction, factitious, factor, factory, fake, fashion, feasible, feat, feature, feckless, fiat, forfeit, infect, laissez-faire, malefaction, manufacture, modify, office, perfect, proficient, prolific, rarefy, refectory, sacrifice, scientific, suffice, surfeit, traffic
falc-	sickle	Latin	falx, falcis	defalcation, falcate, falciform, falchion, falcon
fall-, fallac-, fals-	false, deceive	Latin	fallere, falsus, fallax, fallacis	default, fail, fallacious, fallacy, fallible, false, falsetto, falsify, falsity, fault
famili-	a close attendant	Latin	famulus	familiarity, family
fari-, fat-	say, speak	Latin	fari, see also fateri	affable, bifarious, confess, fable, fame, fascinate, fate, infant, nefarious, preface, profess
fasc-	bundle	Latin	fascis	fasciculation, fascism
fatu-	foolish, useless	Latin	fatuus	fatuous, infatuation
feder-	treaty, agreement, contract, league, pact	Latin	foederare, from foedus (genitive foederis); see also fides "faith"	confederacy, confederation, federal, federate, federation
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 (genitive femoris)	femoral, femur
fend-, fens-	strike	Latin	fendere, -fensus	defend, fend, offend, offense
fenestr-	window	Latin	fenestra	defenestration
fer-	to bear, carry	Latin	ferre	aquifer, circumference, confer, conifer, defer, differ, ferry, fertile, infer, Lucifer, offer, prefer, refer, suffer, transfer, vociferous
ferv-	boil, glow	Latin	fervere	ferment, fervent, fervid, fervor, perfervid
feroc-	fierce	Latin	ferox, ferocis	ferocity
ferr-	iron	Latin	ferrum	ferrous
fet-	stink	Latin	fetere	fetid, fetor
fic-	fig	Latin	ficus	Ficus, fig
fict-, fig-	to form, shape	Latin	fingere "to touch, handle; devise; fabricate, alter, change"	dough, effigy, feign, fiction, fictitious
fid-, fis-	faith, trust	Latin	fides "faith, trust", from fidere "to trust"	confidante, confidence, confident, diffident, faith, fealty, fidelity, fiduciary, infidel, perfidious, perfidy
fil-	thread	Latin	filum	defile, filament, file, filigree, fillet, profile
fili-	son	Latin	filius	affiliation
fin-	end	Latin	finis	affinity, confine, define, final, finale, finance, fine, finish, finite, infinite, refine
find-, fiss-	split	Latin	findere, fissus	fission, fissure
firm-	firm, strong	Latin	firmus, firmare	confirmation, firmament
fistul-	hollow, tube	Latin	fistula	fistula
fix-	attach	Latin	fixare, frequentative of figere	affix, fix, fixation, fixture, prefix, suffix, transfix
fl-	blow	Latin	flare, flatus	flare, flatulence, flavor, flute, inflation, insufflation
flacc-	flabby	Latin	flaccus, flaccere	flaccid
flav-	yellow	Latin	flavus	flavonoid
flect-, flex-	bend	Latin	flectere, flexus	deflect, circumflex, flex, flexible, flexile, flexion, flexor, inflect, inflection, reflect, reflection, reflex
flig-, flict-	strike	Latin	flīgere, flictus	afflict, conflict, inflict, profligacy, profligate
flor-	flower	Latin	flos, floris	floral, florid
flu-, fluv-, flux-	flow	Latin	fluere, fluxus	affluent, confluence, effluent, fluctuate, fluctuation, fluency, fluent, fluid, fluidity, flush, fluvial, flux, influence, influx, superfluous
foc-	hearth	Latin	focus	focal, focus,
fod-, foss-	dig	Latin	fodere, fossus	fossil
foen-	hay	Latin	foenum	Foeniculum
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	conform, deform, form, formal, formation, formula, formulate, inform, perform, reform, uniform
form-	ant	Latin	formica	formaldehyde, formic acid
fornic-	vault	Latin	fornix, fornicis	fornication
fort-	strong	Latin	fortis	fort, forte, fortify, fortitude, fortress
fove-	shallow round depression	Latin	fovea	fovea
fract-, frag-, frang-, -fring-	break	Latin	frangere, fractus	defray, diffract, fractal, fraction, fractious, fracture, fragile, fragment, frangible, fray, infraction, infringe, refract, refractory, refrain
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, frugivorous
fug-, fugit-	flee	Latin	fugere	centrifuge, fugacious, fugitive, refuge
fum-	smoke	Latin	fumus	fume, fumigation
fund-	bottom	Latin	fundare "to found", from fundus "bottom, foundation"	found, founder, foundation, fund, fundament, fundamental, fundamentalism, profound, profundity
fund-, fus-	pour	Latin	fundere, fusus	confound, diffusion, effusion, effusive, found, fusion, infusion, perfusion, profuse, profusion, refund, suffusion, transfusion
fulm-	flash	Latin	fulmen "lightning flash"	fulminant, fulminate, fulmination
fung-, funct-	do	Latin	fungi, functus	function, fungibility
fur-, furt-	thief, steal	Latin	fur (genitive furis) "thief", furare	ferret, furtive
furc-	fork	Latin	furca	bifurcation
fusc-	dark	Latin	fuscus	fuscous, obfuscate, obfuscation