Here's what rhymes with ineffecient.
prescient Words that almost rhyme with ineffecient
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 commissariat deadliest homeliest lengthiest fleshiest stealthiest fleshliest stretchiest preppiest friendliest comeliest cleanliest unfriendliest uncleanliest proletariat secretariat