Chos-en, etholedig, dewisol
Christ-ian, cristion, credadyn
Christ-mas, Nadolig
Chron-ic, hen, parhaol
Church-yard, mynwent, claddfa
Cin-der, marworyn, golosg
Ci-pher, goddim; gwagnod: rhifyddu, cyfrif
Cir-cle, cylch, cant: cylchynu
Cir-cuit, amgylchedd: cylchynu
Cis-tern, dyfrgist