words ending in um2

become, begum, benumb, bum, chum, come, crumb, deaf-and-dumb, drum, dum-dum, dumb, dumdum, from, glum, gum, humdrum, misbecome, mum, numb, overcome, plumb, rhumb, scrum, scum, sham, slum, some, succumb, sugarplum, sum, swum, therefrom, thumb