automobile vs taxi

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. 

taxi

noun
  • A vehicle that may be hired for single journeys by members of the public, driven by a taxi driver. 

  • A share taxi. 

  • The movement of an aircraft across an airport's surface under its own power; a phase of aircraft operation involving this movement. 

verb
  • To move an aircraft on the ground under its own power. 

  • To travel by taxicab. 

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