cesser vs induced abortion

cesser

noun
  • termination or cessation. 

  • A neglect of a tenant to perform services, or make payment, for two years. 

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