execute vs jettison

execute

verb
  • To carry out; to put into effect. 

  • To run, usually successfully. 

  • Coordinate term: murder 

  • To perform. 

  • To kill, especially as punishment for a capital crime. 

  • To carry out, to perform an act; to put into effect or cause to become legally binding or valid (as a contract) by so doing. 

  • To start, launch or run 

jettison

verb
  • To let go or get rid of as being useless or defective. 

  • To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load. 

noun
  • Items that have been or are about to be ejected from a boat or balloon. 

  • The action of jettisoning items. 

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