12 vs buttons

12

noun
  • Collectively, police or law enforcement. 

  • See also: fuck 12 

symbol
  • Used by fans of American football, positioning themselves as the 12th member of an 11-player team. 

buttons

noun
  • A policeman. 

  • A small South African plant of the genus Conophytum, with button-like succulent leaves covering its exterior. 

  • Synonym of marbles (“sanity; mental faculties”) 

  • The dung of sheep. 

  • A remote control. 

How often have the words 12 and buttons occurred in a corpus of books? (source: Google Ngram Viewer )