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