coin vs tranche

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. 

tranche

noun
  • A slice, section or portion. 

  • A distinct subdivision of a single policyholder's benefits, typically relating to separate premium increments. 

  • One of a set of classes or risk maturities that compose a multiple-class security, such as a CMO or REMIC; a class of bonds. Collateralized mortgage obligations are structured with several tranches of bonds that have various maturities. 

  • A pension scheme's or scheme member's benefits relating to distinct accrual periods with different rules. 

verb
  • To divide into tranches. 

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