Ymweliad, n. a visitation
Ymwellâu, v. to better one’s self
Ymwerthu, v. to sell one’s self
Ymwthio, v. to push one’s self; to push mutually
Ymwychu, v. to adorn one’s self
Ymyfed, n. a tippling
Ymyl, n. side, edge, brink
Ymylu, v. to edge, to rim
Ymyraeth, n. intermeddling
Ymyru, v. to intermeddle