bathroom vs shithouse

bathroom

noun
  • A lavatory: a room containing a toilet and (typically but not necessarily) a bathtub. 

  • A room containing a shower and/or bathtub, and (typically but not necessarily) a toilet. 

verb
  • To assist a patient with using the toilet and general personal hygiene. 

shithouse

noun
  • An outhouse, an outbuilding used as a lavatory 

  • A coward: one who is overly fearful or timid. 

  • A filthy place. 

verb
  • To engage in persistent unsporting behaviour or gamesmanship; to play in a cynical, ugly manner; to cheat without being punished. 

adj
  • Of poor quality. 

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