butchering vs eradication

butchering

noun
  • The act by which someone or something is butchered; a slaughter or killing. 

eradication

noun
  • The act of plucking up by the roots; an uprooting; extirpation; utter destruction. 

  • The state of being plucked up by the roots. 

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