Cov-et-ous, trachwantus, cybyddlyd
Cre-a-tion, creadigaeth; cread; y bydysawd
Cred-i-ble, credadwy, coeladwy
Cred-it-or, achretor, gofynwr, coeliwr
Crim-in-al, troseddwr, drygweithredydd; troseddog
Crit-ic-al, beirniadol; manwl, enbyd
Crit-i-cise, beirniadu; arholi; beio
Crook-ed-ness, camedd; bachogrwydd
Cru-ci-ble, toddlestr, toddiadur
Cru-ci-fy, croeshoelio, hoelio ar y groes