autorickshaw vs chariot

autorickshaw

noun
  • A motorized rickshaw of South Asia and East Asia, often available for hire in the manner of a taxi. 

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. 

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