cloakroom vs shitter

cloakroom

noun
  • A lavatory, now particularly a small secondary lavatory or a men's room. 

  • A room intended for holding luggage, as at an airport. 

  • A private lounge next to a legislative chamber. 

  • A room intended for holding guests' cloaks and other heavy outerwear, as at a theater or night club. 

shitter

noun
  • A toilet or lavatory; an outhouse. 

  • One who defecates. 

  • The anus. 

  • Someone lacking skill, especially in a video game. 

  • An objectionable person or thing. 

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