autarchy vs incarceration

autarchy

noun
  • A condition of absolute power. 

  • Autocracy (absolute rule by a single person). 

  • Sovereignty or self-government (national political independence). 

incarceration

noun
  • The act of confining, or the state of being confined; imprisonment. 

  • A constriction of the hernial sac, rendering it irreducible, but not great enough to cause strangulation. 

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