divorce vs tranche

divorce

verb
  • To separate something that was connected. 

  • To legally dissolve a marriage between two people. 

  • To end one's own marriage to (a person) in this way. 

  • To obtain a legal divorce. 

noun
  • The legal dissolution of a marriage. 

  • A separation of connected things. 

  • The separation of a bonded pair of animals. 

tranche

verb
  • To divide into tranches. 

noun
  • 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. 

  • A slice, section or portion. 

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