autocracy vs. monarchy

autocracy

noun

plural

autocracies 

  1. government in which one person has uncontrolled or unlimited authority over others; the government or power of an absolute monarch.

  2. a nation, state, or community ruled by an autocrat.

  3. unlimited authority, power, or influence of one person in any group.

monarchy

noun

plural

monarchies 

  1. a state or nation in which the supreme power is actually or nominally lodged in a monarch.

  2. supreme power or sovereignty held by a single person.