limousine vs share taxi

limousine

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

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

  • An automobile with such a body. 

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

share taxi

noun
  • A vehicle for hire, typically smaller than a bus, taking passengers on a fixed or semi-fixed route without timetables, departing when all seats are filled. 

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