hackney vs landau

hackney

noun
  • A carriage for hire or a cab. 

  • A horse used to ride or drive. 

  • A breed of English horse. 

verb
  • To make uninteresting or trite by frequent use. 

  • To use as a hackney. 

  • To carry in a hackney coach. 

adj
  • Much used; trite; mean. 

  • Offered for hire. 

landau

noun
  • A type of lightweight, four-wheeled carriage in which the front and back passenger seats face each other. 

  • A style of automobile based around the design of landau carriages. 

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