rampage vs tear at

rampage

verb
  • To move about wildly or violently. 

noun
  • Wild partying, typically a drinking binge 

  • A course of violent, frenzied action. 

tear at

verb
  • To pull at violently. 

  • To afflict or aggrieve. 

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