afterbirth vs deliverance

afterbirth

noun
  • The placenta and other material expelled via the birth canal following childbirth or parturition in mammals. 

deliverance

noun
  • Delivery in childbirth. 

  • The act of setting free or extricating from danger, imprisonment, bondage, evil, etc. 

  • The act of delivering or conveying something. 

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