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