Here's what rhymes with arioo.
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 redo poo shoo gnu roux thew whew through few true view blue review 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 piu thru fue hew mieux shrew tzu vue clew mew foreknew zebu slue phew achoo into pursue screw bamboo canoe ensue subdue taboo untrue skew tattoo beaucoup eschew outdo revue shampoo sprue vnto askew strew ballyhoo halloo spew valuer kazoo wazoo booboo regrew atishoo revenue overview residue avenue debut retinue caribou jusqu overdue overthrew sinew imbue outgrew overdo cockatoo honeydew endue fondue indue marabou peekaboo muumuu overflew overshoe prevue overdrew overgrew interview hitherto withdrew rendezvous construe barbecue kangaroo barbeque bugaboo bestrew buckaroo superglue hullabaloo misconstrue