DIESIS is a playable word

diesis Scrabble® Dictionary

noun
pl. dieses
a reference mark in printing
23 Playable Words can be made from "DIESIS"
   2-Letter Words (6 found)
   3-Letter Words (7 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)