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