autorickshaw vs rickshaw

autorickshaw

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

rickshaw

noun
  • A two-wheeled carriage pulled along by a person. 

verb
  • To move someone by means of a rickshaw. 

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