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