curricle vs rickshaw

curricle

noun
  • A light two-wheeled carriage large enough for the driver and a passenger and drawn by a carefully-matched pair. 

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 curricle and rickshaw occurred in a corpus of books? (source: Google Ngram Viewer )