Cobiad, n. a thumping
Cobio, v. to tuft; to thump
Cobyn, n. a tuft, a bunch
Coblyn, a thumper; a pecker; a goblin
Cocos, n. cockles; cogs of a wheel
Cocraeth, n. fondling
Coch, n. a red colour: a. red
Cochder, n. redness
Cochddu, a. of a reddish black
Cochfelyn, a. copper-coloured