tricycle vs wheelbarrow

tricycle

noun
  • An autorickshaw; A motorized cycle rickshaw 

  • A cycle with three wheels, powered by pedals and usually intended for young children. 

verb
  • To ride a tricycle. 

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 tricycle and wheelbarrow occurred in a corpus of books? (source: Google Ngram Viewer )