coin vs haystack

coin

noun
  • A small circular slice of food. 

  • 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. 

  • Money in general, not limited to coins. 

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

  • A cryptocurrency; a cryptocoin. 

  • A corner or external angle. 

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. 

haystack

noun
  • A dish composed of a starchy food (rice, tortillas, crackers, etc.) topped by a protein (beans, cheese, meat, etc.) in combination with fresh vegetables, assembled on the plate by the diner. 

  • A mound, pile, or stack of stored hay. 

  • A standing wave in a rapid. 

  • The text string within which another string is searched for. (see: needle in a haystack) 

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