permutation vs tradition

permutation

noun
  • One of the ways something exists, or the ways a set of objects can be ordered. 

  • A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde. 

  • An ordering of a finite set of distinct elements. 

  • A one-to-one mapping from a finite set to itself. 

tradition

noun
  • An established or distinctive style or method 

  • The act of delivering into the hands of another; delivery. 

  • A part of culture that is passed from person to person or generation to generation, possibly differing in detail from family to family, such as the way to celebrate holidays. 

  • A commonly held system. 

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