coin vs hard cash

coin

noun
  • Money in general, not limited to coins. 

  • A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle. 

  • A token used in a special establishment like a casino. 

  • That which serves for payment or recompense. 

  • One of the suits of minor arcana in tarot, or a card of that suit. 

  • A cryptocurrency; a cryptocoin. 

  • A corner or external angle. 

  • A small circular slice of food. 

verb
  • To make of a definite fineness, and convert into coins, as a mass of metal. 

  • To make or fabricate (especially a word or phrase). 

  • To acquire rapidly, as money; to make. 

hard cash

noun
  • ready money 

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