OSMIOUS is a playable word

osmium Scrabble® Dictionary

noun
pl. osmiums
a metallic element
(adjective) osmic, osmious
46 Playable Words can be made from "OSMIOUS"
   2-Letter Words (11 found)
   3-Letter Words (15 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)