automobile vs four-in-hand

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. 

four-in-hand

noun
  • A carriage drawn by four horses controlled by one driver; a coach-and-four. 

  • A slip knot with one end hanging in front of the other; a simple necktie. 

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