SHIRTIER is a playable word

shirty Scrabble® Dictionary

adjective
shirtier, shirtiest
angry
(adverb) shirtily
91 Playable Words can be made from "SHIRTIER"
   2-Letter Words (13 found)
   3-Letter Words (26 found)
   6-Letter Words (4 found)
   8-Letter Words (1 found)