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