closure vs shutdown

closure

noun
  • The act of shutting or closing something permanently or temporarily. 

  • An event or occurrence that signifies an ending. 

  • A device to facilitate temporary and repeatable opening and closing. 

  • An abstraction that represents a function within an environment, a context consisting of the variables that are both bound at a particular time during the execution of the program and that are within the function's scope. 

  • That which closes or shuts; that by which separate parts are fastened or closed. 

  • The smallest set that both includes a given subset and possesses some given property. 

  • A method of ending a parliamentary debate and securing an immediate vote upon a measure before a legislative body. 

  • The process whereby the reader of a comic book infers the sequence of events by looking at the picture panels. 

  • The phenomenon by which a group maintains its resources by the exclusion of others from their group based on varied criteria. ᵂᵖ 

  • The smallest closed set which contains the given set. 

  • The act of shutting; a closing. 

  • A feeling of completeness; the experience of an emotional conclusion, usually to a difficult period. 

shutdown

noun
  • The action of stopping operations; a closing, of a computer, business, event, etc. 

  • A statement, insult, etc. that prevents the opponent from replying further. 

  • An autistic response to stress or sensory overload, in which the individual freezes up and becomes silent, motionless, and unresponsive. 

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