curricle vs wheelbarrow

curricle

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

wheelbarrow

noun
  • A small, one-wheeled (or rarely, two-wheeled) cart with handles at one end for transporting small loads. 

verb
  • To convey in a wheelbarrow. 

  • To cause the weight of an aeroplane to become concentrated around the nosewheel. 

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