delete vs exterminate

delete

verb
  • To kill or murder. 

  • To defeat or dominate. 

  • To remove, get rid of or erase, especially written or printed material, or data on a computer or other device. 

noun
  • A remainder of a music or video release. 

  • The delete character (U+007F or %7F). 

  • A deletion. 

exterminate

verb
  • To kill all of (a population of pests or undesirables), usually intentionally. 

  • To bring a definite end to; finish completely. 

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