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