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oligarchy vs. monarchy

[ol-i-gahr-kee] / ˈɒl ɪˌgɑr ki /

noun

plural

oligarchies
  1. a form of government in which all power is vested in a few persons or in a dominant class or clique; government by the few.

  2. a state or organization so ruled.

  3. the persons or class so ruling.

[mon-er-kee] / ˈmɒn ər ki /

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.