Hammer vs Ram

Hammer

noun

  • someone connected with West Ham Football Club, as a fan, player, coach etc. 

name

  • A surname. 

Ram

noun

  • someone connected with Derby County Football Club, as a fan, player, coach etc. 

name

  • The constellation Aries. 

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