monarchy

As a noun monarchy

is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler).

As an adjective archy is

arched.

As nouns the difference between emperor and monarchy

is that emperor is the male monarch or ruler of an empire while monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler).

As nouns the difference between monarchy and duchy

is that monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler) while duchy is a dominion or region ruled by a duke or duchess.

As nouns the difference between monarchy and diarchy

is that monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler) while diarchy is a form of government where power is shared between two joint authorities.

As nouns the difference between totalitarian and monarchy

is that totalitarian is an advocate of totalitarianism while monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler).

As an adjective totalitarian

is a system of government where the people have virtually no authority and the state wields absolute control of every aspect of the country, socially, financially and politically.

As nouns the difference between despotism and monarchy

is that despotism is government by a singular authority, either a single person or tight-knit group, which rules with absolute power, especially in a cruel and oppressive way while monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler).

As nouns the difference between monarchy and monarchy

is that monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler) while monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler).