Gwanciaw, v. to gorge; to glut
Gwancus, a. voracious, greedy
Gwancusrwydd, n. voraciousness
Gwanciwr, n. a greedy devourer
Gwander, n. weakness
Gwanedig, a. divided; transfixed
Gwaneg, n. a gait; a drift; a haunch; a surge
Gwanegiad, n. a drifting
Gwanegu, v. to rise in waves
Gwanffyddiaw, v. to mistrust