ENNEADIC is a playable word

ennead Scrabble® Dictionary

noun
pl. enneads
a group of nine
(adjective) enneadic
84 Playable Words can be made from "ENNEADIC"
   2-Letter Words (12 found)
   3-Letter Words (20 found)
   5-Letter Words (12 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)