aborticide vs stillbirth

aborticide

noun
  • The act of destroying a fetus in the womb; feticide. 

  • An agent responsible for an abortion (the destruction of a fetus); abortifacient. 

stillbirth

noun
  • The birth of a dead fetus; the delivery of an infant which is dead at birth. 

  • The birth of a dead fetus after 20 weeks of gestation. 

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