ARMY vs Hammer

ARMY

noun

  • An individual fan of the K-pop boy band BTS. 

  • The fandom of the K-pop boy band BTS. 

Hammer

noun

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

name

  • A surname. 

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