jurisdiction vs protectorship

jurisdiction

noun
  • The authority of a sovereign power to govern or legislate. 

  • The power or right to exercise authority. 

  • The limits or territory within which authority may be exercised. 

  • The power, right, or authority to interpret and apply the law. 

  • The power or right to perform some action as part of applying the law. 

protectorship

noun
  • The office of a protector or regent; protectorate. 

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