driver vs fireman

driver

noun
  • A cooper's hammer for driving on barrel hoops. 

  • A person who drives some other vehicle. 

  • A golf club used to drive the ball a great distance. 

  • A mallet. 

  • One who drives something, in any sense of the verb drive. 

  • A screwdriver. 

  • a kind of sail, smaller than a fore and aft spanker on a square-rigged ship, a driver is tied to the same spars. 

  • Something that drives something, in any sense of the verb drive. 

  • A pilot (person who flies aircraft). 

  • A device driver; a program that acts as an interface between an application and hardware, written specifically for the device it controls. 

  • A person who drives a motorized vehicle such as a car or a bus. 

  • A tamping iron. 

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 driver and fireman occurred in a corpus of books? (source: Google Ngram Viewer )