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