tradition vs vicissitude

tradition

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

  • An established or distinctive style or method 

  • 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. 

vicissitude

noun
  • Regular change or succession from one thing to another, or one part of a cycle to the next; alternation; mutual succession; interchange. 

  • A change, especially in one's life or fortunes. 

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