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