rake someone over the coals vs tear someone a new asshole

rake someone over the coals

verb
  • To berate someone at length, usually from a position of authority or moral authority. 

tear someone a new asshole

verb
  • Synonym of tear someone a new one 

How often have the words rake someone over the coals and tear someone a new asshole occurred in a corpus of books? (source: Google Ngram Viewer )