hegemony vs tyranny

hegemony

noun
  • Domination, influence, or authority over another, especially by one political group over a society or by one nation over others. 

  • Dominance of one social group over another, such that the ruling group or hegemon acquires some degree of consent from the subordinate, as opposed to dominance purely by force. 

tyranny

noun
  • A government in which a single ruler (a tyrant) has absolute power; this system of government. 

  • The office or jurisdiction of an absolute ruler. 

  • Extreme severity or rigour. 

  • Absolute power, or its use. 

  • A system of government in which power is exercised on behalf of the ruler or ruling class, without regard to the wishes of the governed. 

How often have the words hegemony and tyranny occurred in a corpus of books? (source: Google Ngram Viewer )