STIFFEN is a playable word

stiffen Scrabble® Dictionary

verb
stiffened, stiffening, stiffens
to make stiff

92 Playable Words can be made from "STIFFEN"

   2-Letter Words (13 found)

   3-Letter Words (27 found)

   6-Letter Words (3 found)

   7-Letter Words (1 found)