confederacy vs rebellion

confederacy

noun
  • A state where the sovereign constituent units delegate their authority to the centre. As opposed to a federation, where the central and regional governments are each equal and sovereign in their own sphere. 

  • Specifically, an instance of a decentralized governing structure among the indigenous peoples of North America. 

  • An alliance. 

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 confederacy and rebellion occurred in a corpus of books? (source: Google Ngram Viewer )