LEWISITE is a playable word

lewisite Scrabble® Dictionary

noun
pl. lewisites
a vesicant liquid
108 Playable Words can be made from "LEWISITE"
   2-Letter Words (11 found)
   3-Letter Words (29 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)