abortion vs knacker's yard

abortion

noun
  • A misshapen person or thing; a monstrosity. 

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

  • 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. 

  • 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. 

knacker's yard

noun
  • A (notional) place to send a person or object that is spent beyond all reasonable use. 

  • The area of a slaughterhouse where carcasses unfit for human consumption or other purposes are rendered down to produce useful materials such as glue. 

How often have the words abortion and knacker's yard occurred in a corpus of books? (source: Google Ngram Viewer )