Here's what rhymes with absorptiveness.
Words that almost rhyme with absorptiveness
heartedness soreness heartsickness haughtiness exhaustiveness carsickness downheartedness goriness bigheartedness naughtiness hardheartedness morbidness kindheartedness balminess suaveness responsiveness tenderheartedness warmheartedness cognisance unresponsiveness subcontinents inconspicuous exorbitance garnishments accomplishments overconfidence admonishments recognisance acknowledgments acknowledgements intoxicants