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