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