Short words (5 or fewer letters) that start with C are shown in the list below.
cab, cabal, cabby, caber, cabin
cable, cabob, cabs, cacao, cache
cacti, cad, caddy, cade, cades
cadet, cadge, cadgy, cadi, cadis
cadre, cads, caeca, cafe, cafes
cage, caged, cager, cages, cagey
cagy, cahow, caid, caids, cain
cains, caird, cairn, cajon, cake
caked, cakes, calf, calfs, calif
calix, calk, calks, call, calla
calli, calls, calm, calms, calve
calx, calyx, cam, camas, came
camel, cameo, cames, camp, campi
campo, camps, campy, cams, can
canal, candy, cane, caned, caner
canes, canna, canny, canoe, canon
cans, canso, canst, cant, canto
cants, canty, cap, cape, caped
caper, capes, caph, caphs, capo
capon, capos, caps, caput, car
carat, card, cards, care, cared
carer, cares, caret, carex, cargo
cark, carks, carl, carle, carls
carn, carns, carny, carob, carol
carom, carp, carpi, carps, carry
cars, carse, cart, carte, carts
carve, casa, casas, case, cased
cases, cash, cask, casks, casky
cast, caste, casts, casus, cat
catch, cate, cater, cates, cats
catty, caul, cauld, caulk, cauls
cause, cave, caved, caver, caves
cavie, cavil, cavy, caw, cawed
caws, cay, cays, cease, cebid
ceca, cecal, cecum, cedar, cede
ceded, ceder, cedes, cedi, cedis
cee, cees, ceiba, ceil, ceils
celeb, cell, cella, celli, cello
cells, celom, celt, celts, cense
cent, cento, cents, ceorl, cerci
cere, cered, ceres, ceria, ceric
cero, ceros, cess, cesta, cesti
cete, cetes, chad, chads, chafe
chaff, chain, chair, chalk, cham
champ, chams, chang, chant, chaos
chap, chape, chaps, chapt, char
chard, chare, chark, charm, charr
chars, chart, chary, chase, chasm
chat, chats, chaw, chaws, cheap
cheat, check, cheek, cheep, cheer
chef, chefs, chela, chert, chess
chest, cheth, chevy, chew, chews
chewy, chez, chi, chia, chiao
chias, chic, chick, chico, chics
chid, chide, chief, chiel, child
chile, chili, chill, chimb, chime
chimp, chin, china, chine, chink
chino, chins, chip, chips, chirk
chirm, chiro, chirp, chirr, chis
chit, chits, chive, chivy, chock
choir, choke, choky, chomp, chon
chop, chops, chord, chore, chose
chott, chow, chows, chub, chubs
chuck, chufa, chuff, chug, chugs
chum, chump, chums, chunk, churl
churn, churr, chute, chyle, chyme
ciao, cibol, cider, cigar, cilia
cimex, cinch, cine, cines, cion
cions, circa, cirri, cisco, cist
cists, cite, cited, citer, cites
city, civet, civic, civie, civil
civvy, clach, clack, clad, clads
clag, clags, claim, clam, clamp
clams, clan, clang, clank, clans
clap, claps, clapt, claro, clary
clash, clasp, class, clast, clave
claw, claws, clay, clays, clean
clear, cleat, cleek, clef, clefs
cleft, clepe, clept, clerk, clew
clews, click, cliff, clift, climb
clime, cline, cling, clink, clip
clips, clipt, cloak, clock, clod
clods, clog, clogs, clomb, clomp
clon, clone, clonk, clons, cloot
clop, clops, close, clot, cloth
clots, cloud, clour, clout, clove
clown, cloy, cloys, cloze, club
clubs, cluck, clue, clued, clues
clump, clung, clunk, coach, coact
coal, coala, coals, coapt, coast
coat, coati, coats, coax, cob
cobb, cobbs, cobby, cobia, coble
cobra, cobs, coca, cocas, cocci
cock, cocks, cocky, coco, cocoa
cocos, cod, coda, codas, code
coded, coden, coder, codes, codex
codon, cods, coed, coeds, coff
coffs, coft, cog, cogon, cogs
coho, cohog, cohos, coif, coifs
coign, coil, coils, coin, coins
coir, coirs, coke, coked, cokes
col, cola, colas, cold, colds
cole, coles, colic, colin, colly
colog, colon, color, cols, colt
colts, coly, colza, coma, comae
comal, comas, comb, combe, combo
combs, comby, come, comer, comes
comet, comfy, comic, comma, commy
comp, compo, comps, compt, comte
con, conch, cone, coned, cones
coney, conga, conge, congo, coni
conic, conin, conk, conks, conky
conn, conns, cons, conte, conto
conus, cony, coo, cooch, cooed
cooee, cooer, cooey, coof, coofs
cook, cooks, cooky, cool, cools
cooly, coomb, coon, coons, coop
coops, coopt, coos, coot, coots
cop, copal, cope, coped, copen
coper, copes, copra, cops, copse
copy, coral, corby, cord, cords
cordy, core, cored, corer, cores
corf, corgi, coria, cork, corks
corky, corm, corms, corn, corns
cornu, corny, corps, corse, cos
cosec, coses, coset, cosey, cosh
cosie, coss, cost, costa, costs
cosy, cot, cotan, cote, coted
cotes, cots, cotta, couch, coude
cough, could, count, coup, coupe
coups, court, couth, cove, coved
coven, cover, coves, covet, covey
cow, cowed, cower, cowl, cowls
cowry, cows, cowy, cox, coxa
coxae, coxal, coxed, coxes, coy
coyed, coyer, coyly, coypu, coys
coz, cozen, cozes, cozey, cozie
cozy, craal, crab, crabs, crack
craft, crag, crags, crake, cram
cramp, crams, crane, crank, crap
crape, craps, crash, crass, crate
crave, craw, crawl, craws, craze
crazy, creak, cream, credo, creed
creek, creel, creep, creme, crepe
crept, crepy, cress, crest, crew
crews, crib, cribs, crick, cried
crier, cries, crime, crimp, cris
crisp, croak, croci, crock, croft
crone, crony, crook, croon, crop
crops, crore, cross, croup, crow
crowd, crown, crows, croze, crud
crude, cruds, cruel, cruet, crumb
crump, cruor, crura, crus, cruse
crush, crust, crux, crwth, cry
crypt, cub, cubby, cube, cubeb
cubed, cuber, cubes, cubic, cubit
cubs, cud, cuddy, cuds, cue
cued, cues, cuff, cuffs, cuif
cuifs, cuing, cuish, cuke, cukes
culch, culet, culex, cull, culls
cully, culm, culms, culpa, cult
culti, cults, cum, cumin, cunt
cunts, cup, cupel, cupid, cuppa
cuppy, cups, cur, curb, curbs
curch, curd, curds, curdy, cure
cured, curer, cures, curet, curf
curfs, curia, curie, curio, curl
curls, curly, curn, curns, curr
currs, curry, curs, curse, curst
curt, curve, curvy, cusec, cushy
cusk, cusks, cusp, cusps, cuss
cusso, cut, cutch, cute, cuter
cutes, cutey, cutie, cutin, cutis
cuts, cutty, cutup, cwm, cwms
cyan, cyano, cyans, cycad, cycas
cycle, cyclo, cyder, cylix, cyma
cymae, cymar, cymas, cyme, cymes
cymol, cynic, cyst, cysts, cyton
czar, czars,
Help make this word list more complete by adding additional words here in the comments. Thanks!