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