FAITHFUL is a playable word

faithful Scrabble® Dictionary

noun
pl. faithfuls
a loyal follower or member
78 Playable Words can be made from "FAITHFUL"
   2-Letter Words (15 found)
   3-Letter Words (22 found)
   5-Letter Words (8 found)
   6-Letter Words (4 found)
   8-Letter Words (1 found)