LITHIUMS is a playable word

lithium Scrabble® Dictionary

noun
pl. lithiums
a metallic element
96 Playable Words can be made from "LITHIUMS"
   2-Letter Words (14 found)
   3-Letter Words (23 found)
   5-Letter Words (11 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)