Here's what rhymes with mnscu.
coup oo ou qu ooo eu ku coo cou gu oooo ooooo goo ooh to who you do two new through too few view due knew du grew que u crew threw flew q screw shoe zu clue cue dew glue hue lieu queue shew su sue tu vous chew cu deux flue fu lu rue slew stew zoo bu flu hu ju jus loo mu nu peu pu seu shu skew sou thru vu woo yew yu boo chou chu doo ewe feu fue hew ru shou shrew thu tue vou vue wou wu clew moo pooh poo shoo gnu roux slue thew whew phew achoo true blue drew blew anew canoe accrue adieu ado brew jusqu pew beaucoup eschew mieux sprue tzu vnto askew mew strew halloo spew valuer foreknew zebu kazoo into review pursue avenue renew undue ensue subdue taboo undo overdue piu tattoo outdo revue shampoo sinew outgrew overdo redo overshoe overgrew wazoo booboo regrew revenue hitherto overview residue withdrew bamboo debut untrue caribou overthrew kangaroo imbue cockatoo honeydew bugaboo endue fondue indue peekaboo bestrew buckaroo muumuu overflew prevue superglue overdrew atishoo interview retinue construe ballyhoo marabou rendezvous barbecue hullabaloo barbeque misconstrue