MISTRYST is a playable word

mistryst Scrabble® Dictionary

verb
mistrysted, mistrysting, mistrysts
to fail to keep an appointment with
49 Playable Words can be made from "MISTRYST"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (18 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)