Gull vs Pirate

Gull

noun
  • A player, supporter or other person connected with Torquay United Football Club. 

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 Gull and Pirate occurred in a corpus of books? (source: Google Ngram Viewer )