ZYMOSAN is a playable word

zymosan Scrabble® Dictionary

noun
pl. zymosans
an insoluble fraction of yeast cell walls
79 Playable Words can be made from "ZYMOSAN"
   2-Letter Words (17 found)
   3-Letter Words (28 found)
   5-Letter Words (10 found)
   7-Letter Words (1 found)