Here's what rhymes with quinqu.
coup qu ku coo cou gu goo to who you do into 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 ensue 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 mieux ru shou thu tue vou wou wu clew mew moo pooh poo shoo gnu roux thew whew achoo through few true view blue drew threw blew flew screw anew canoe hue undue accrue flue slew stew undo adieu ado brew flu pew skew thru beaucoup eschew fue hew shrew sinew tzu vnto vue imbue endue indue kazoo slue phew pursue withdrew bamboo renew taboo untrue jusqu piu tattoo kangaroo outdo revue shampoo sprue askew outgrew redo strew halloo spew valuer foreknew zebu muumuu wazoo booboo regrew review interview hitherto avenue debut subdue caribou overdue overdo cockatoo honeydew bugaboo fondue marabou peekaboo bestrew buckaroo overshoe prevue overgrew atishoo revenue overview residue rendezvous retinue construe overthrew ballyhoo overflew superglue overdrew barbecue barbeque hullabaloo misconstrue