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