automobile vs sedan

automobile

noun
  • A type of vehicle designed to move on the ground under its own stored power and intended to carry a driver, a small number of additional passengers, and a very limited amount of other load. A car or motorcar. 

adj
  • Self-moving; self-propelled. 

sedan

noun
  • An automobile designed in a configuration with separate compartments for engine space, driver/passenger space and luggage space. 

  • An enclosed windowed chair suitable for a single occupant, carried by at least two porters, in equal numbers in front and behind, using wooden rails that passed through metal brackets on the sides of the chair. 

  • A handbarrow for transporting fish. 

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