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