Stick vs tsar

Stick

noun
  • A member of the Official IRA. 

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

tsar

noun
  • A person with great power; an autocrat. 

  • An emperor of Russia (1547 to 1917) and of some South Slavic states. 

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