definitive example vs exemplification

definitive example

exemplification

noun
  • The act of exemplifying; a showing or illustrating by example. 

  • That which exemplifies; a case in point; example. 

  • A copy or transcript attested to be correct by the seal of an officer having custody of the original. 

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