MESSMATE is a playable word

messmate Scrabble® Dictionary

noun
pl. messmates
a person with whom one eats regularly
117 Playable Words can be made from "MESSMATE"
   2-Letter Words (12 found)
   3-Letter Words (26 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)