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