chariot vs quad bike

chariot

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

  • rook 

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

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

  • To ride in a chariot. 

quad bike

noun
  • A small off-road four-wheeled powered vehicle, especially of a design derived from a motorcycle, usually used for recreation or farm work. 

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