FATTIEST is a playable word

fatty Scrabble® Dictionary

adjective
fattier, fattiest
greasy; oily
noun
pl. fatties
one that is fat
107 Playable Words can be made from "FATTIEST"
   2-Letter Words (16 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)