exterminate vs give birth

exterminate

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

  • To bring a definite end to; finish completely. 

give birth

verb
  • To become the parent of by birthing. 

  • To release live offspring from the body into the environment. 

  • To become the source of. 

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