Here's what rhymes with unattentiveness.
attentiveness inattentiveness retentiveness inventiveness Words that almost rhyme with unattentiveness
pensiveness tenseness offensiveness restiveness denseness objectiveness festiveness effectiveness defensiveness ineffectiveness suggestiveness defectiveness oppressiveness perceptiveness protectiveness contentedness deceptiveness intensiveness obsessiveness inoffensiveness aggressiveness penitence connectedness possessiveness extensiveness receptiveness expensiveness inexpensiveness reticence impressiveness unexpectedness apprehensiveness repressiveness scarceness caribous residence expressiveness headmistress progressiveness celibates collectivists hesitance fetishists residents comprehensiveness disconnectedness embellishments counterintelligence