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