EXCIMERS is a playable word

excimer Scrabble® Dictionary

noun
pl. excimers
a dimer that exists in an excited state
115 Playable Words can be made from "EXCIMERS"
   2-Letter Words (10 found)
   3-Letter Words (31 found)
   6-Letter Words (8 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)