INITIALING 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
88 Playable Words can be made from "INITIALING"
   2-Letter Words (13 found)
   3-Letter Words (24 found)
   5-Letter Words (10 found)
   6-Letter Words (9 found)
   7-Letter Words (6 found)
   10-Letter Words (1 found)