bureau vs lower chamber

bureau

noun
  • An administrative unit of government; office. 

  • An office (room where clerical or professional duties are performed). 

  • An organization or office for collecting or providing information or news. 

  • A chest of drawers for clothes. 

  • A desk, usually with a cover and compartments that are located above the level of the writing surface rather than underneath, and often used for storing papers. 

lower chamber

noun
  • The lower legislative chamber in a bicameral legislature; in many cases, the one that is directly elected and/or has more practical power, such as the power to raise and spend money. 

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