enfranchisement vs self-determination

enfranchisement

noun
  • The act of enfranchising 

  • The investiture with any of several municipal privileges 

  • the conversion of a copyhold estate into a freehold estate 

  • A release from slavery 

self-determination

noun
  • The political independence of a people 

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

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