monarchy

As a proper noun commonwealth

is the commonwealth of nations, a loose confederation of nations based around the former british empire.

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 nouns the difference between monarchy and principality

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 principality is the state of being a prince or ruler; sovereignty, absolute authority.

As nouns the difference between monarchy and kinship

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 kinship is relation or connection by blood, marriage or adoption.

As nouns the difference between monarchy and oligarch

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 oligarch is a member of an oligarchy, someone who is part of a small group that runs a country.

As nouns the difference between imperial and monarchy

is that imperial is a bottle of wine (usually Bordeaux) containing 6 liters of fluid, eight times the volume of a standard bottle 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 imperial

is related to an empire, emperor, or empress.

As a proper noun Imperial

is a city in California.

As nouns the difference between monarchy and null

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 null is zero, nil; the cardinal number before einn.

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 a proper noun duchess is

a village in alberta, canada.

As nouns the difference between monarchy and nobility

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 nobility is a noble or privileged social class, historically accompanied by a hereditary title; aristocracy.

As nouns the difference between octarchy and monarchy

is that octarchy is a government consisting of eight people 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 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 presidential is

presiding or watching over.