charabanc vs chariot

charabanc

noun
  • A horse-drawn, and then later, motorized omnibus with open sides, and often, no roof. 

  • A derisive term for a car, bus, train or other vehicle that is poor quality, slow or overcrowded. 

verb
  • To travel or convey by charabanc. 

chariot

noun
  • A (two-wheeled) horse-drawn cart, used in Bronze Age and Early Iron Age warfare. 

  • rook 

  • A light (four-wheeled) carriage used for ceremonial or pleasure purposes. 

verb
  • To convey by, or as if by, chariot. 

  • To ride in a chariot. 

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