Gwastatâu, v. to smooth; to rest, to be composed
Gwastraff, n. prodigality
Gwastraffiad, n. a squandering
Gwastraffu, v. to squander
Gwastraffwr, n. a prodigal or wasteful man
Gwastrawd, n. a groom
Gwastrin, n. servitude, toil
Gwastrodedd, n. office of a groom
Gwastrodi, v. to serve as a groom
Gwasu, v. to make as a servant