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