fly in the face of vs violate

fly in the face of

verb
  • To act in a manner highly contrary to; to counteract or contradict. 

violate

verb
  • To break or disregard (a rule or convention). 

  • To cite (a person) for a parole violation. 

  • To rape. 

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