Stick vs broker

Stick

noun
  • A member of the Official IRA. 

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

broker

noun
  • An agent involved in the exchange of messages or transactions. 

  • A mediator between a buyer and seller. 

  • A stockbroker. 

  • A mediator in general, one who liaises between two or more parties to attempt to achieve an outcome of some kind. 

verb
  • To act as a broker; to mediate in a sale or transaction. 

  • To act as a broker in; to arrange or negotiate. 

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