fourth vs tranche

fourth

noun
  • A quarter, one of four equal parts of a whole. 

  • The fourth gear of an engine. 

  • A musical interval which spans four degrees of the diatonic scale, for example C to F (C D E F). 

  • The person or thing in the fourth position. 

adj
  • The ordinal form of the number four. 

verb
  • To agree with a proposition or statement after it has already been thirded. 

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 fourth and tranche occurred in a corpus of books? (source: Google Ngram Viewer )