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