Here's what rhymes with niftiest.
shiftiest thriftiest Words that almost rhyme with niftiest
mistiest wispiest twistiest iffiest wittiest guiltiest eeriest shittiest inkiest milkiest miriest itchiest ickiest nippiest bittiest siltiest sniffiest idiot prettiest busiest silliest filthiest cheeriest weariest chilliest dizziest fieriest giddiest sickliest silkiest flintiest grittiest pithiest ritziest bitchiest fishiest hilliest kinkiest pickiest dinkiest spiffiest tinniest tipsiest zippiest dishiest fizziest kitschiest snippiest chintziest dippiest mingiest piggiest smeariest wiggliest miscreant kindliest flimsiest trickiest riskiest dingiest stickiest kingliest skinniest spiciest glitziest prickliest frilliest stinkiest prissiest priviest slinkiest spiniest wimpiest drippiest bleariest frizziest twitchiest wrinkliest zingiest incipient lineament skimpiest stingiest grisliest princeliest friskiest grizzliest wateriest spindliest recipient percipient springiest stringiest experienced inexperienced