abortion vs induced abortion

abortion

noun
  • The expulsion from the womb of a foetus or embryo before it is fully developed, with loss of the foetus; either naturally as a spontaneous abortion (now usually called a miscarriage), or deliberately as an induced abortion. 

  • Failure or abandonment of a project, promise, goal etc. 

  • The cessation of an illness or disease at a very early stage. 

  • Arrest of development of any organ, so that it remains an imperfect formation or is absorbed. 

  • A misshapen person or thing; a monstrosity. 

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