fire brigade vs fireman

fire brigade

noun
  • A group of people within a corporation or industrial site, organized for the purpose of putting out fires, usually in addition to their normal job. 

  • An organization, often part of a local government, whose purpose is preventing and putting out fires. 

  • A trained unit that can be rapidly deployed to deal with any difficult situation. 

fireman

noun
  • Someone (especially one who is male) who is skilled in the work of fighting fire. 

  • A safety inspector in coal mines. 

  • An assistant on any locomotive, whether steam-powered or not. 

  • A relief pitcher (reflecting the figurative analogy of rescuing the situation). 

  • A person (originally a man) who keeps the fire going underneath a steam boiler (originally, shoveling coal by hand), particularly on a railroad locomotive or steamship. 

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