CONFIRM is a playable word

confirm Scrabble® Dictionary

verb
confirmed, confirming, confirms
to assure the validity of
65 Playable Words can be made from "CONFIRM"
   2-Letter Words (10 found)
   3-Letter Words (23 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)