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