boneshaker vs velocipede

boneshaker

noun
  • A velocipede (the bicycle of the late 1860s). 

  • Something jolty. 

velocipede

noun
  • A bicycle. 

  • An early two-wheeled conveyance upon which one rode astride a wooden frame propelled by means of pushing the feet against the ground. 

verb
  • to ride on velocipede 

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