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