motorcar vs nacelle

motorcar

noun
  • An enclosed passenger motor vehicle, a car, powered by an engine. 

  • A self-propelled railway vehicle 

nacelle

noun
  • A separate streamlined enclosure mounted on an aircraft to house an engine, cargo, or crew. 

  • The compartment that holds passengers on a hot-air balloon, a dirigible, or an aerostat; a gondola. 

  • The submersed providers of buoyancy of a SWATH hulled boat. 

  • The part between the tower and rotor of a wind turbine. 

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