Flummox rhymes with:
balks, chalks, faulks, faux, fawkes, hawke's, hawkes, hawks, hbox, laux, salk's, squawks, stalks, talk's, talks, vaux, wachs, walks
Flummox sounds like:
failing, failings, falanga, falling, feeling, feelings, fehling, felines, fellenz, felling, felonies, felonious, felons, filene's, filing, filings, filinski, filling, fillings, film's, filming, films, flailing, flamenco, flames, flaming, flamingo, flamingos, flammang, flange, flanges, flank, flanks, fleeing, fleming, fleming's, flemings, flemish, flemming, flemons, flewelling, flimsy, flinch, fling, flings, flink, flounce, flounces, flowing, fluency, flumes, flung, flunk, flunks, flying, foaling, foiling, following, followings, fooling, fouling, foulness, fueling, fuelling, fullness