engender vs give birth

engender

verb
  • To bring into existence (a situation, quality, result etc.); to give rise to, cause, create. 

  • To assume form; to come into existence; to be caused or produced. 

  • To give existence to, to produce (living creatures). 

  • To endow with gender; to create gender or enhance the importance of gender. 

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 engender and give birth occurred in a corpus of books? (source: Google Ngram Viewer )