desistance vs induced abortion

desistance

noun
  • The act or state of desisting; cessation. 

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 desistance and induced abortion occurred in a corpus of books? (source: Google Ngram Viewer )