Diarchy is a 7 letter English word. It's valid Scrabble word worth 16 points. It's valid Words with friends word worth 15 points.
You can make 155 anagrams from letters in diarchy (acdhiry).
First recorded in 1825-35; di-1 + -archy
The diarchy, however, as might have been expected, was found not to work very successfully in practice.
This diarchy was to hold for both the central and provincial governments.
diarchy, dī′ar-ki, n. a form of government in which two persons are jointly vested with supreme power—less correctly Dī′narchy.