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