STOMA is a playable word

stoma Scrabble® Dictionary

noun
pl. stomas or stomata
a minute opening in the epidermis of a plant organ
45 Playable Words can be made from "STOMA"
   2-Letter Words (10 found)
   3-Letter Words (16 found)
   4-Letter Words (16 found)
   5-Letter Words (3 found)