COSMISM is a playable word

cosmism Scrabble® Dictionary

noun
pl. cosmisms
a philosophical theory
45 Playable Words can be made from "COSMISM"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   4-Letter Words (13 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)