citizenship vs enfranchisement

citizenship

noun
  • The state of being a citizen, in its various senses. 

  • The status of being a citizen, in its various senses. 

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 

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