conflate vs tranche

conflate

verb
  • To mix together different elements. 

  • To bring (things) together and fuse (them) into a single entity. 

  • To fail to properly distinguish or keep separate (things); to mistakenly treat (them) as equivalent. 

adj
  • Combining elements from multiple versions of the same text. 

noun
  • A conflate text, one which conflates multiple version of a text together. 

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