Fondue rhymes with:
lhommedieu, askew, byu, cmu, cue, debut, depew, depue, dfw, ewe, few, fitzhugh, gue, hew, hewe, hue, hugh, imbue, iou, kew, kyu, lemieux, lhommedieu, liu, mccue, mcgue, mchugh, meiyuh, mew, peugh, pew, phew, pugh, q, q., que, queue, review, revue, schewe, skew, spew, suu, thankyou, true-view, u, u., uwe, view, vue, whay-yu, yew, yoo, you, yu, yue
Fondue sounds like:
faint, fainted, famed, fanned, fant, fanta, feint, femininity, fend, fended, fendi, fendt, fent, fenwood, fiend, find, fined, finite, foment, fomented, fomento, fond, fonda, font, fonte, found, founded, fuente, fumed, fund, funded