Here's what rhymes with tnbu.
to do two too due du oo ou dew ooo tu chew deux bu eu ju jus peu pu boo chou chu doo oooo ooooo tue pooh poo ooh who you into 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 mieux ru shou thu tzu vnto vou wou wu goo mew moo shoo gnu roux thew whew booboo through few view grew que crew pursue threw flew q anew clue cue glue hue queue cu debut ensue flue slew untrue flu piu thru beaucoup eschew fue hew outdo shampoo shrew sprue vue clew imbue redo strew spew endue zebu indue slue phew achoo screw canoe renew accrue subdue jusqu overdue skew sinew outgrew overdo halloo honeydew valuer bugaboo fondue kazoo marabou peekaboo bestrew muumuu wazoo atishoo review interview hitherto residue withdrew avenue rendezvous retinue caribou construe kangaroo revue askew ballyhoo cockatoo foreknew buckaroo overshoe prevue overdrew regrew revenue overview overthrew barbecue barbeque overflew superglue overgrew hullabaloo misconstrue