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