privy vs shithouse

privy

noun
  • A lavatory: a room with a toilet. 

  • An outdoor facility for urination and defecation, whether open (latrine) or enclosed (outhouse). 

  • A partaker; one having an interest in an action, contract, etc. to which he is not himself a party. 

  • A toilet: a fixture used for urination and defecation. 

adj
  • With knowledge of; party to; let in on. 

  • Private, exclusive; not public; one's own. 

shithouse

noun
  • An outhouse, an outbuilding used as a lavatory 

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

  • A filthy place. 

adj
  • Of poor quality. 

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

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