STIFLING is a playable word

stifle Scrabble® Dictionary

verb
stifled, stifling, stifles
to smother
93 Playable Words can be made from "STIFLING"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   6-Letter Words (8 found)
   7-Letter Words (8 found)
   8-Letter Words (1 found)