Mwn-gloddio, v. to mine
Mwnt, n. a mound; a mount, a hundred thousand
Mwnwg, n. a neck; a swivel
Mwr, n. what tends to fall or happen
Mwrl, n. a crumbling stone
Mwrn, n. sultry weather: a. sultry, close, warm
Mwrndra, n. sultriness
Mwrno, v. to become sultry
Mwrth, n. what tends forward
Mwrthwyl, n. a hammer