Here's what rhymes with vanitous.
Words that almost rhyme with vanitous
mismanages micromanages animus mantissas faddishness mannishness harelips massiveness lavishness passiveness activeness clannishness amirates caddishness snappishness waggishness raffishness draughtiness laddishness rabidness applicants managements brackishness gallivants expansiveness impassiveness outlandishness attractiveness blandishments combativeness establishments