supremacy vs tyranny

supremacy

noun
  • Power over all others. 

  • The ideology that a specified group is superior to others or should have supreme power over them. 

  • The quality of being supreme. 

  • A state of privilege for a specified group relative to other people in society. 

tyranny

noun
  • Absolute power, or its use. 

  • 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. 

  • 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 supremacy and tyranny occurred in a corpus of books? (source: Google Ngram Viewer )