Stick vs procurator

Stick

noun
  • A member of the Official IRA. 

name
  • The Chapman Stick, an electric musical instrument devised by Emmett Chapman. 

procurator

noun
  • A tax collector. 

  • The governor of a small imperial province. 

  • A legal officer who both investigates and prosecutes crimes, found in some inquisitorial legal systems, particularly communist or formerly communist states – see public procurator 

  • An agent or attorney. 

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