Maroon vs Red Devil

Maroon

noun
  • A member of the Queensland State of Origin rugby league team, who wear maroon-coloured jerseys. 

name
  • A surname. 

Red Devil

noun
  • someone connected with Manchester United Football Club, as a fan, player, coach etc. 

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