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