=Civis=, a citizen; civic, civil, city. =Clamo=, I shout; clamour, proclamation, reclaim. =Clarus=, clear; clarify, declare, clarion. =Claudo= (=claus=-um), I shut; close, exclude, seclusion. =Clivus=, a slope; declivity. =Colo= (=cult=-um), I till; cultivate, arboriculture. =Copia=, plenty; copious, cornucopia. =Coquo= (=coct=-um), I boil; decoction, biscuit. =Cor= (=cord=-is), the heart; courage, cordial, discord. =Corpus= (=corpor=-is), the body; corpse, corps, incorporate. =Credo=, I believe; credibility, credence, miscreant. =Creo=, I create; create, creation, creature, recreation. =Cresco= (=cret=-um), I grow; crescent, increment. =Crimen=, a charge; crime, criminate. =Crux= (=cruc=-is), a cross; crucial, crucifix. =Cubo=, I lie down; incubate, recumbent. =Culpa=, a fault; culpable, exculpate, culprit. =Cura=, care; sinecure, curate, secure, accurate. =Curro= (=curs=-um), I run; cursory, course, recur, occur. =Decem=, ten; decimal, December. =Dens= (=dent=-is), a tooth; dentist, dental, indent. =Deus=, a god; deity, deify, divine. =Dexter=, right hand; dexterous. =Dico= (=dict=-um), I say; verdict, dictation, dictionary, indictment. =Dies=, a day; diary, meridian. =Dignus=, worthy; dignity, indignant. =Do= (=dat=-um), I give; donor, add [= _ad-do_, I give to], data. =Doceo= (=doct=-um), I teach; docile, doctor. =Dominus=, a lord; dominant, dominion, dame. =Domus=, a house; domicile, domestic. =Dormio=, I sleep; dormitory, dormant. =Duco= (=duct=-um), I lead; induct, education, duke, produce. =Duo=, two; dual, duel, (double), duplex. =Durus=, hard; durable, obdurate, duration. =Emo= (=empt=-um), I buy; redeem, exemption. =Eo= (=it=-um), I go; exit, transit, circuit, ambition. =Equus=, a horse; equine, equestrian. =Erro=, I wander; error, aberration. =Esse=, to be; essential, essence. =Facies=, the face; facial, facet, superficial. =Facilis=, easy; facile, facility, difficult. =Facio= (=fact=-um), I make; manufacture, factor, faction. =Fallo= (=fals=-um), I deceive; false, infallible, fallacious. =Fama=, a report; fame, defame, infamy. =Fans= (=fant=-is), speaking; infant [= a non-speaker]. =Felix= (=felīc=-is), happy; felicity, infelicity. =Fero=, I bear or carry; infer, reference, difference. =Ferrum=, iron; ferruginous. =Ferveo=, I boil; fervent, effervesce, ferment. =Fido=, I trust; confide, infidel, perfidy, diffident. =Filius=, a son; filial, affiliation. =Filum=, a thread; file, defile, profile. =Finis=, an end; final, infinite, confine. =Firmus=, firm; infirm, affirm. =Flecto=, I bend; flexible, inflection. =Flos= (=flōr=-is), a flower; floral, Flora, floriculture.