Pirate vs champ

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. 

champ

noun
  • champagne 

  • buddy, sport, mate (as a term of address) 

  • a meal of mashed potatoes and scallions 

verb
  • to bite or chew, especially noisily or impatiently. 

  • To camp overnight in a historic church as a novelty or part of a holiday. 

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