autocracy vs. monarchy

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.


noun

plural monarchies.
  1. a state or nation in which the supreme power is actually or nominally lodged in a monarch. Compare absolute monarchy, limited monarchy.
  2. supreme power or sovereignty held by a single person.