cube vs tranche

cube

verb
  • To cut into cubes. 

  • To raise to the third power; to determine the result of multiplying by itself twice. 

  • To use a Rubik's cube. 

  • To form into the shape of a cube. 

noun
  • A regular polyhedron having six identical square faces. 

  • Any object more or less in the form of a cube. 

  • A cubicle, especially one of those found in offices. 

  • A data structure consisting of a three-dimensional array; a data cube 

  • The third power of a number, value, term or expression. 

  • A Rubik's cube style puzzle, not necessarily in the shape of a cube 

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