incarceration vs self-determination

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. 

self-determination

noun
  • The ability or right to make one's own decisions without interference from others 

  • The political independence of a people 

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