TIGHTENING is a playable word

tighten Scrabble® Dictionary

verb
tightened, tightening, tightens
to make tight

102 Playable Words can be made from "TIGHTENING"

   2-Letter Words (11 found)

   3-Letter Words (28 found)

   6-Letter Words (9 found)

   8-Letter Words (2 found)

   10-Letter Words (1 found)