induction vs lying-in

induction

noun
  • The process of inducing the birth process. 

  • An act of inducing. 

  • Derivation of general principles from specific instances. 

  • A method of proof of a theorem by first proving it for a specific case (often an integer; usually 0 or 1) and showing that, if it is true for one case then it must be true for the next. 

  • An act of inducting. 

  • The delivery of air to the cylinders of an internal combustion piston engine. 

  • Generation of an electric current by a varying magnetic field. 

  • A formal ceremony in which a person is appointed to an office or into military service. 

  • The process of showing a newcomer around a place where they will work or study. 

  • Use of rumors to twist and complicate the plot of a play or to narrate in a way that does not have to state truth nor fact within the play. 

  • Given a group of cells that emits or displays a substance, the influence of this substance on the fate of a second group of cells 

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 induction and lying-in occurred in a corpus of books? (source: Google Ngram Viewer )