inflatable vs yacht

inflatable

noun
  • A boat or dinghy that may be inflated when needed. 

  • Any other structure, artwork etc. that is inflated. 

adj
  • Able to be inflated or blown up. 

yacht

noun
  • Any vessel used for private, noncommercial purposes. 

  • A slick and light ship for making pleasure trips or racing on water, having sails but often motor-powered. At times used as a residence offshore on a dock. 

verb
  • To sail, voyage, or race in a yacht. 

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