Here's what rhymes with diffusity.
Words that almost rhyme with diffusity
unity disunity immunity usefully futurity lunacy frugally futilely scrutiny acuity annuity brutally fluency mutiny fluently gloomily humanly fruitfully ruefully uselessly vacuity moodily euphony garrulity gruesomely snootily broodily community ambiguity beautifully jewelry credulity suitably prudently ruthlessly stupidly truancy autoimmunity fruitlessly neutrally tenuity youthfully tunefully woozily opportunity ingenuity crucially promiscuity truthfully perspicuity congruity imprudently impudently irreducibly translucency exiguity humourlessly presumably contiguity importunity contumacy immovably unsuitably excusably contumelies glamourously continuity untruthfully inexcusably