House of Commons vs House of Lords

House of Commons

name

  • The lower house of the British Parliament; a session of the house. 

  • The lower house of the Canadian Parliament. 

noun

  • An outhouse: an outbuilding used as a lavatory. 

House of Lords

name

  • The upper chamber of the UK's Houses of Parliament. 

noun

  • A urinal. 

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