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