Clem-en-cy, hynawsedd, tiriondeb, tosturi
Cler-gy-man, offeiriad, gwr llên, clerigwr
Co-e-qual, gogystal, cyfartal, cydradd
Co-hab-it, cyttrigo, cydfyw, cydanneddu
Co-her-ence, cydlyniad; cyssylltiad
Co-her-ent, cydlynol; cyssylltedig
Co-he-sion, cydlyniad, glyniad
Co-in-cide, cyttaro; cytuno; ymgyfarfod
Col-lec-tion, casgliad, cynnulliad; detholiad
Col-lec-tive, cynnulliadol, cryno