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