STIFFING is a playable word

stiff Scrabble® Dictionary

adjective
stiffer, stiffest
difficult to bend or stretch
verb
stiffed, stiffing, stiffs
to cheat someone by not paying
61 Playable Words can be made from "STIFFING"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)