abortifacient vs abortive

abortifacient

adj
  • Producing miscarriage. 

noun
  • A drug or an agent that induces an abortion. 

abortive

adj
  • Causing abortion; abortifacient 

  • Made from the skin of a still-born animal. 

  • Imperfectly formed or developed; rudimentary; sterile. 

  • Coming to nothing; failing in its effect. . 

  • Cutting short; acting to halt or slow the progress (of a disease). 

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