SLAIN is a playable word

slay Scrabble® Dictionary

verb
slew or slayed, slain, slaying, slays
to kill violently
(adjective) slayable
39 Playable Words can be made from "SLAIN"
   2-Letter Words (10 found)
   3-Letter Words (13 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)