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