PSAMMON is a playable word

psammon Scrabble® Dictionary

noun
pl. psammons
a group of microorganisms living in waterlogged sands
83 Playable Words can be made from "PSAMMON"
   2-Letter Words (15 found)
   3-Letter Words (32 found)
   5-Letter Words (7 found)
   7-Letter Words (1 found)