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