abort vs deathblow

abort

noun
  • An event in which a process is aborted. 

  • The function used to abort a process. 

  • An early termination of a mission, action, or procedure in relation to missiles or spacecraft; the craft making such a mission. 

verb
  • To cause a premature termination of (a fetus); to end a pregnancy before term. 

  • To abandon a mission at any point after the beginning of the mission and prior to its completion. 

  • To terminate a mission involving a missile or rocket; to destroy a missile or rocket prematurely. 

  • To end prematurely; to stop in the preliminary stages; to turn back. 

  • To miscarry; to bring forth (non-living) offspring prematurely. 

  • To become checked in normal development, so as either to remain rudimentary or shrink away wholly; to cease organic growth before maturation; to become sterile. 

  • To stop or fail at something in the preliminary stages. 

  • To terminate a process prior to completion. 

  • To cause an organism to develop minimally; to cause rudimentary development to happen; to prevent maturation. 

deathblow

noun
  • Something that prevents the completion, or ends the existence, of a project etc.; a fatal setback. 

  • A strike or blow that leads to death, especially a coup de grace. 

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