HEIGHTEN is a playable word

heighten Scrabble® Dictionary

verb
heightened, heightening, heightens
to raise
76 Playable Words can be made from "HEIGHTEN"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   4-Letter Words (18 found)
   6-Letter Words (4 found)
   8-Letter Words (1 found)