Cylla, n. a maw, stomach
Cyllaeth, n. sorrow, grief
Cyllaig, n. a stag in season
Cyllell, n. a cutter, a knife
Cyllellu, v. to cut with a knife
Cyllen, n. cutter, chopper
Cyllid, n. revenue, tax
Cyllido, v. to pay a tax
Cyllidydd, n. tax-gatherer
Cylltawr, n. plougshare