THEIST is a playable word

theist Scrabble® Dictionary

noun
pl. theists
one who believes in the existence of a god
(adjective) theistic
50 Playable Words can be made from "THEIST"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   4-Letter Words (16 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)