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