EPHEMERAS is a playable word

ephemera Scrabble® Dictionary

noun
pl. ephemeras or ephemerae
something of very short life or duration
259 Playable Words can be made from "EPHEMERAS"
   2-Letter Words (18 found)
   7-Letter Words (5 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)