tranche vs weave

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. 

weave

verb
  • To form something by passing lengths or strands of material over and under one another. 

  • To unite by close connection or intermixture. 

  • To move by turning and twisting. 

  • To compose creatively and intricately; to fabricate. 

  • To spin a cocoon or a web. 

  • To make (a path or way) by winding in and out or from side to side. 

  • To move the head back and forth in a stereotyped pattern, typically as a symptom of stress. 

noun
  • Human or artificial hair worn to alter one's appearance, either to supplement or to cover the natural hair. 

  • A type or way of weaving. 

How often have the words tranche and weave occurred in a corpus of books? (source: Google Ngram Viewer )