groove vs tranche

groove

verb
  • To cut a groove or channel in; to form into channels or grooves; to furrow. 

  • To perform, dance to, or enjoy rhythmic music. 

noun
  • A long, narrow channel or depression; e.g., such a slot cut into a hard material to provide a location for an engineering component, a tyre groove, or a geological channel or depression. 

  • A shaft or excavation. 

  • A racing line, a path across the racing circuit's surface that a racecar will usually track on. (Note: There may be multiple grooves on any particular circuit or segment of circuit) 

  • The middle of the strike zone in baseball where a pitch is most easily hit. 

  • A fixed routine. 

  • A pronounced, enjoyable rhythm. 

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