NITTIEST is a playable word

nitty Scrabble® Dictionary

adjective
nittier, nittiest
full of nits
73 Playable Words can be made from "NITTIEST"
   2-Letter Words (10 found)
   3-Letter Words (18 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)