facilities vs john

facilities

noun
  • Facilities for urination and defecation: a toilet; a lavatory. 

  • Synonym of facility in certain contexts. 

john

noun
  • A device or place to urinate and defecate: now usually a toilet or lavatory, but also (dated) a chamber pot or outhouse. 

  • A male mule. 

  • A Western man traveling in East Asia. 

  • A prostitute's client. 

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