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