abortifacient vs abortional

abortifacient

adj

  • Producing miscarriage. 

noun

  • A drug or an agent that induces an abortion. 

abortional

adj

  • Pertaining to abortion; miscarrying; abortive. 

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