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diarchy

noun
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di·​ar·​chy

less common spelling of

: a government in which power is vested in two rulers or authorities

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diarch

diarchy

diarial

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“Diarchy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diarchy. Accessed 22 Oct. 2021.

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