Casnach, n. nap of cloth
Cast, n. a trick
Castan, n. a chesnut
Castanwydd, n. chesnut trees
Castell, n. a fortress, castle
Castelliad, n. a fortifying
Castellu, v. to fortify
Castio, v. to play tricks
Castiog, a. full of tricks
Castyr, n. rod of a horse