defame vs tear down

defame

verb
  • To harm or diminish the reputation of; to disparage. 

  • To charge; to accuse (someone) of an offence. 

  • To disgrace; to bring into disrepute. 

tear down

verb
  • To degrade (someone), to discredit or criticize 

  • To demolish 

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