catapult vs unwind

catapult

noun
  • An instance of firing something, as if from a catapult. 

  • An instance of firing a missile from a catapult. 

  • A device or weapon for throwing or launching large objects. 

  • A mechanical aid on aircraft carriers designed to help airplanes take off from the flight deck. 

  • A slingshot. 

verb
  • To be fired from a catapult or as if from a catapult. 

  • To fire a missile from a catapult. 

  • To fire or launch something, as if from a catapult. 

  • To have one's status increased rapidly. 

  • To increase the status of something rapidly. 

unwind

noun
  • Any mechanism or operation that unwinds something. 

verb
  • To undo something. 

  • To relax; to chill out; to rest and become relieved of stress 

  • To close out a position, especially a complicated position. 

  • To be or become unwound; to be capable of being unwound or untwisted. 

  • To analyse (a call stack) so as to generate a stack trace etc. 

  • To separate (something that is wound up) 

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