Cynnefindra, n. inurement
Cynnefino, v. to accustom
Cynnefnydd, n. first matter
Cynnefodi, v. to habituate
Cynnelw, n. pattern
Cynnerth, n. first power
Cynnethol, v. to pre-elect
Cynneu, v. to kindle to fire
Cynneuad, n. a kindling
Cynnewis, n. pre-election