chariot vs fiacre

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. 

fiacre

noun
  • A small horse-drawn carriage for hire; a hackney carriage. 

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