Pirate vs punter

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. 

punter

noun
  • One who punts a football. 

  • One who bets (punts) against the bank. 

  • A customer of a commercial establishment, frequently of a pub or (alternatively) of a prostitute. 

  • The person who keeps score in basset or ombre. 

  • One who gambles. See speculator. 

  • One who oars or poles a punt (pontoon). 

  • A program used to forcibly disconnect another user from a chat room. 

  • A person who trades with a gang but is not a gang member. 

  • A beginner or unskilled climber. 

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