nacelle vs wagon

nacelle

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

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

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

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

wagon

noun
  • A vehicle (wagon) designed to transport goods or people on railway. 

  • A kind of prefix used in de Bruijn notation. 

  • Buttocks. 

  • A heavier four-wheeled (normally horse-drawn) vehicle designed to carry goods (or sometimes people). 

verb
  • To load into a wagon in preparation for transportation; to transport by means of a wagon. 

  • To travel in a wagon. 

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