bureau vs operation

bureau

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

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

  • 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. 

  • An administrative unit of government; office. 

operation

noun
  • A business or organization. 

  • The method or practice by which actions are done. 

  • The act or process of operating; agency; the exertion of power, physical, mechanical, or moral. 

  • A procedure for generating a value from one or more other values (the operands); 

  • A military campaign (e.g. Operation Desert Storm) 

  • A planned undertaking. 

  • a function which maps zero or more (but typically two) operands to a single output value. 

  • The method by which a device performs its function. 

  • A surgical procedure. 

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