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