EOSIN is a playable word

eosin Scrabble® Dictionary

noun
pl. eosins
a red dye
(adjective) eosinic
34 Playable Words can be made from "EOSIN"
   2-Letter Words (12 found)
   3-Letter Words (13 found)
   4-Letter Words (7 found)
   5-Letter Words (2 found)