get rid of vs give birth

get rid of

verb
  • to rid oneself of; dispose (of); to remove; to abolish; to lose 

give birth

verb
  • To become the source of. 

  • To become the parent of by birthing. 

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

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