delivery vs lying-in

delivery

noun
  • The act of giving birth 

  • A thrown pitch. 

  • A pitching motion. 

  • The process of throwing a stone. 

  • The administration of a drug. 

  • The item which has been conveyed. 

  • Process of introducing foreign DNA into host cells. 

  • A cross or pass 

  • The act of conveying something. 

  • The manner of speaking. 

  • A ball bowled. 

lying-in

noun
  • The final stages of pregnancy; accouchement. 

  • A period of postpartum confinement, typically a month or longer, formerly common in Europe and still practiced in some parts of the world. 

adj
  • of, or relating to childbirth or postpartum confinement 

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