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