INITIAL is a playable word

initial Scrabble® Dictionary

verb
initialed, initialing, initials or initialled, initialling, initials
to mark with the first letters of one's name
41 Playable Words can be made from "INITIAL"
   2-Letter Words (11 found)
   3-Letter Words (14 found)
   4-Letter Words (14 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)