Ysnodeniad, n. a filleting
Ysnodenig, n. a bandlet
Ysnodenu, v. to fillet
Ysoldeb, n. a consuming state
Yspaddiad, n. an exhausting
Yspaddu, v. to exhaust
Yspaid, n. cessation; space
Yspail, n. a spoil, a prey
Yspaith, n. prospect, scene
Yspar, n. a spear, a lance