Here's what rhymes with cachew.
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 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 kazoo slue whew phew true blue drew grew que crew pursue blew q screw anew avenue canoe clue cue glue queue cu ensue taboo adieu ado brew jusqu pew skew tattoo eschew mieux sprue vnto clew mew strew halloo spew valuer zebu wazoo achoo into review bamboo renew undue accrue subdue undo overdue piu beaucoup kangaroo outdo revue shampoo sinew askew overdo redo ballyhoo cockatoo foreknew overshoe booboo atishoo revenue hitherto overview residue withdrew debut rendezvous untrue caribou construe overthrew imbue outgrew honeydew bugaboo endue fondue indue peekaboo bestrew buckaroo muumuu overflew prevue overdrew overgrew regrew interview retinue marabou superglue barbecue hullabaloo barbeque misconstrue