commercial vs merchantable

commercial

adj
  • Of or pertaining to commerce. 

  • Designating such an airplane flight. 

  • Designating an airport that serves passenger and/or cargo flights. 

noun
  • A male prostitute. 

  • A commercial trader, as opposed to an individual speculator. 

  • An advertisement in a common media format, usually radio or television. 

merchantable

adj
  • Fit for the market, i.e. suitable for selling for an ordinary price. Sometimes, this is a technical designation for a particular kind or class. 

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