O-ven, ffwrn
O-ver, ar, uchben, tros, rhy, trosodd
Our-selves, ni ein hunain
Out-break, toriad allan
Out-cast, crwydryn; alldud
Out-cry, gwaedd, bloedd, dolef
Out-do, rhagori, blaenu ar
Out-er, allanol, nes allan
Out-fit, darpariad i fordaith
Out-law, herwr; ysbeiliwr: dinoddi