NEBULAE is a playable word

nebula Scrabble® Dictionary

noun
pl. nebulas or nebulae
a cloud-like interstellar mass
(adjective) nebular
68 Playable Words can be made from "NEBULAE"
   2-Letter Words (13 found)
   3-Letter Words (22 found)
   5-Letter Words (4 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)