Here's what rhymes with alloweu.
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 undue accrue cu flue slew stew undo adieu ado brew flu pew thru fue hew mieux outdo shrew tzu vue clew mew redo slue phew achoo into review pursue screw bamboo canoe ensue subdue taboo untrue jusqu piu skew tattoo beaucoup eschew revue shampoo sprue vnto askew outgrew strew halloo spew valuer foreknew zebu kazoo wazoo booboo regrew atishoo revenue overview residue avenue debut retinue caribou overdue overthrew sinew imbue overdo ballyhoo honeydew bugaboo endue fondue indue marabou buckaroo muumuu overflew overshoe prevue overdrew overgrew interview hitherto withdrew rendezvous construe kangaroo cockatoo hullabaloo peekaboo bestrew superglue barbecue barbeque misconstrue