concurrence vs rebellion

concurrence

noun
  • An instance of simultaneous occurrence. 

  • Agreement; concurring. 

rebellion

noun
  • Defiance of authority or control; the act of rebelling. 

  • An organized, forceful subversion of the law of the land in an attempt to replace it with another form of government. 

  • Armed resistance to an established government or ruler. 

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