GUILTIER is a playable word

guilty Scrabble® Dictionary

adjective
guiltier, guiltiest
worthy of blame for an offense
(adverb) guiltily
98 Playable Words can be made from "GUILTIER"
   2-Letter Words (10 found)
   3-Letter Words (29 found)
   6-Letter Words (8 found)
   8-Letter Words (1 found)