NITWITS is a playable word

nitwit Scrabble® Dictionary

noun
pl. nitwits
a stupid person
40 Playable Words can be made from "NITWITS"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (14 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)
   7-Letter Words (2 found)