Here's what rhymes with mpun.
done tion ton bun donne dun pun bn jun tonne tun one run son none sun won gun fun nun spun shun sion undone fon rien cen gon hun ven yean stun toucan naan anyone begun fron outdone outrun seisin spline redone misdone overdone rerun cretonne everyone overrun twentyone Words that almost rhyme with mpun
tongue dem dumb dung bum dum tum tung chum tem bung some come young sum hung lung cum drum sung thumb comme gum rum hum plum rung stung wrung zum comm mum même num numb plumb kung sm trom sebum spume thrum yum from among become flung swung clung sprung slum slung strung scum crumb glum swum unsung strum benumb succumb scrum rehung overcome cerebrum sacrum overhung frustum breadcrumb simulacrum candelabrum mullein puncheon mustn fustian