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