cable car vs engine

cable car

noun
  • A streetcar moved by gripping to rotating loop of cable running along the track. 

  • A hanging carriage or car for transporting people or cargo 

  • Any passenger vehicle attached to a moving cable for propulsion, and guided by some form of rails, on a specially-built track not in a street. 

engine

noun
  • A self-powered vehicle, especially a locomotive, used for pulling cars along a track. 

  • A person or group of people which influence a larger group; a driving force. 

  • Anything used to effect a purpose; any device or contrivance; an agent. 

  • A large construction used in warfare, such as a battering ram, catapult etc. 

  • The part of a car or other vehicle which provides the force for motion, now especially one powered by internal combustion. 

  • A complex mechanical device which converts energy into useful motion or physical effects. 

  • A software or hardware system responsible for a specific technical task (usually with qualifying word). 

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