Here's what rhymes with defecient.
prescient Words that almost rhyme with defecient
variant invariant veriest sexiest cerement hairiest zestiest chariot heaviest recreant lariat pettiest scariest sketchiest cheviot wariest heftiest smelliest dressiest peppiest peskiest sweatiest testiest tetchiest leggiest teariest wealthiest deadliest homeliest lengthiest fleshiest stealthiest fleshliest stretchiest preppiest friendliest comeliest cleanliest commissariat proletariat secretariat unfriendliest uncleanliest