Brummagem vs Pirate

Brummagem

noun
  • A person from Birmingham. 

name
  • The city of Birmingham, England. 

Pirate

noun
  • someone connected with Bristol Rovers Football Club, as a fan, player, coach etc. 

  • someone connected with any of a number of sports teams known as the Pirates, as a fan, player, coach etc. 

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