Crwcau, v. to bow, to curve
Crwcwd, n. a round squat
Crwm, a. bending, concave
Crwmach, n. convexity
Crwn, a. round, circular
Crwt, n. a crust; a dumpy one
Crwtyn, n. a little dumpy one
Crwth, n. a bulge, a trunk; a belly; a violin
Crwybr, a. a scum; honeycomb
Crwydr, n. a wandering