Cyfyngder, n. narrowness, straitness
Cyfyngiad, n. a narrowing
Cyfyngu, v. to narrow, to close
Cyfyrder, n. second cousin
Cyfystyr, a. synonymous
Cyff, n. a stock, a stump, a stem, a block
Cyffaith, n. confection
Cyffawd, n. mutual pleasure
Cyffeithiad, n. a confecting
Cyffeithio, v. to confect