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