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