chunk vs tranche

chunk

noun
  • A part of something that has been separated. 

  • A sequence of two or more words that occur in language with high frequency but are not idiomatic; a bundle or cluster. 

  • A discrete segment of a file, stream, etc. (especially one that represents audiovisual media); a block. 

  • A representative portion of a substance, often large and irregular. 

  • A segment of a comedian's performance. 

verb
  • To break down (language, etc.) into conceptual pieces of manageable size. 

  • To throw. 

  • Deal a substantial amount of damage to an opponent. 

  • To break into large pieces or chunks. 

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