abortifacient vs abortus

abortifacient

noun

  • A drug or an agent that induces an abortion. 

adj

  • Producing miscarriage. 

abortus

noun

  • An abortion. 

  • An aborted fetus, especially one aborted in early pregnancy. 

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