hardtop vs limousine

hardtop

noun
  • The removable rigid roof of a convertible or sports car. 

  • An indoor cinema with a roof, as opposed to a drive-in. 

  • A car with such a roof. 

limousine

noun
  • An automobile body with seats and permanent top like a coupe, and with the top projecting over the driver and a projecting front. 

  • A luxury sedan or saloon car, especially one with a lengthened wheelbase or driven by a chauffeur. 

  • An automobile for transportation to or from an airport, including sedans, vans, and buses. 

  • An automobile with such a body. 

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