THALLIUMS is a playable word

thallium Scrabble® Dictionary

noun
pl. thalliums
a metallic element
(adjective) thallic, thallous
272 Playable Words can be made from "THALLIUMS"
   2-Letter Words (24 found)
   7-Letter Words (7 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)