DEEPENER is a playable word

deepener Scrabble® Dictionary

noun
pl. deepeners
one that deepens
51 Playable Words can be made from "DEEPENER"
   2-Letter Words (7 found)
   3-Letter Words (14 found)
   4-Letter Words (19 found)
   5-Letter Words (3 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)