discontinuation vs induced abortion

discontinuation

noun
  • The process of quitting a course of treatment with a drug. 

  • The act of stopping producing or supplying a product. 

induced abortion

noun
  • A surgical or medicinal procedure that terminates a pregnancy by removing the fetus; a therapeutic abortion. It is a non-contraceptive form of birth control. 

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