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