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