Ceil-ing, nenfwd; cronglwyd
Cel-lar, diodgell; cell
Ce-ment, cymmrwd: cymmrydu
Cen-sure, sen, cerydd: barnu, ceryddu
Cen-sus, cofrifiad, niferiad
Cen-tre, canol: canoli, cymherfeddu
Cer-tain, sicr, diau, gwir; rhyw, rhai
Cha-lice, cymmun gwpan
Chal-lenge, her, baidd, heriad: herio; annog
Cham-ber, ystafell