sedan vs subcompact

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. 

subcompact

noun
  • Something that is smaller than the compact version, especially a very small car. 

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