cab vs dog cart

cab

noun
  • Any of several four-wheeled carriages; a cabriolet. 

  • Shelter at the top of an air traffic control tower or fire lookout tower. 

  • Compartment at the front of a truck or train for the driver. 

  • Synonym of taxi 

  • An arcade cabinet, the unit in which a video game is housed in a gaming arcade. 

  • A former Hebrew unit of volume, about equal to 1.3 L as a dry measure or 1.25 L as a liquid measure. 

verb
  • To travel by taxicab. 

dog cart

noun
  • A two-wheeled horse-drawn carriage with two transverse seats back to back. The rear seat originally closed up to form a box for carrying dogs. 

  • A cart drawn by a dog. 

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