bathhouse vs lavage

bathhouse

noun
  • A building where swimmers can change clothes. 

  • A business with bath-like facilities, which chiefly serves as a place for sexual encounters, especially among men. 

  • A building with baths for communal use. 

lavage

noun
  • A washing. 

  • A washing of a hollow organ. 

verb
  • To wash a hollow organ 

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