Cleiad, n. casing; a peat
Cleiawg, a. clayey
Cleibwll, n. claypit
Cleidir, n. clay land
Cleien, n. rotten stone
Cleigio, v. to dip, to immerce
Cleilyd, a. clayey, clayish
Cleiniad, n. a lying prostrate
Cleinio, v. to lie prostrate
Cleio, v. to become clay