SUMOISTS is a playable word

sumoist Scrabble® Dictionary

noun
pl. sumoists
a sumo wrestler
95 Playable Words can be made from "SUMOISTS"
   2-Letter Words (15 found)
   3-Letter Words (25 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)
   8-Letter Words (2 found)