cabriolet vs quad bike

cabriolet

noun
  • A light two- or four-wheeled carriage with a folding top, pulled by a single horse. 

  • An automobile with a retractable top. 

quad bike

noun
  • A small off-road four-wheeled powered vehicle, especially of a design derived from a motorcycle, usually used for recreation or farm work. 

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