Hammer vs Royal

Hammer

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

name
  • A surname. 

Royal

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

  • A member of the first regiment of foot in the British army. 

name
  • A male given name from English from the surname 

  • A surname from Old English. 

  • A male given name from the word "royal". 

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