DIARCHIC is a playable word

diarchy Scrabble® Dictionary

noun
pl. diarchies
a government with two rulers
(adjective) diarchic (adjective) diarchal
55 Playable Words can be made from "DIARCHIC"
   2-Letter Words (8 found)
   3-Letter Words (17 found)
   4-Letter Words (18 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)