fragment vs tranche

fragment

noun
  • A part broken off; a small, detached portion; an imperfect part, either physically or not 

  • An incomplete portion of code. 

  • A sentence not containing a subject or a predicate. 

  • A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign. 

verb
  • To break apart. 

  • To break up and disperse (a file) into non-contiguous areas of a disk. 

  • To cause to be broken into pieces. 

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