FIRMING is a playable word

firm Scrabble® Dictionary

adjective
firmer, firmest
unyielding to pressure
verb
firmed, firming, firms
to make firm
32 Playable Words can be made from "FIRMING"
   2-Letter Words (4 found)
   3-Letter Words (12 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)