DIARCHAL is a playable word

diarchy Scrabble® Dictionary

noun
pl. diarchies
a government with two rulers
(adjective) diarchic (adjective) diarchal
116 Playable Words can be made from "DIARCHAL"
   2-Letter Words (12 found)
   3-Letter Words (28 found)
   6-Letter Words (9 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)