cable car vs tramway

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. 

tramway

noun
  • The track on which a tram (streetcar) runs. 

  • The system of cables that supports a cable car. 

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