TRUTHFUL is a playable word

truthful Scrabble® Dictionary

adjective
telling the truth
21 Playable Words can be made from "TRUTHFUL"
   2-Letter Words (2 found)
   3-Letter Words (6 found)
   4-Letter Words (8 found)
   5-Letter Words (2 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)