Here's what rhymes with diffusest.
profusest Words that almost rhyme with diffusest
loosest smoothest obtusest fewest rudest shrewdest hugest lewdest unit fluent newest crudest coolest soonest bluest cruelest duellist nudest student prudent mutant tumult coolant diluent truant disputant oculist rootlet bassoonist movement amusement pursuant imprudent impudent pollutant cartoonist souvent annuitant intuit canoeist sunhat gruesomest improvement inducement adjuvant confluent mouvement entombment insouciant recruitment translucent quadruplet