shut vs unblock

shut

verb
  • To preclude; to exclude; to bar out. 

  • To confine in an enclosed area. 

  • To catch or snag in the act of shutting something. 

  • To close, to stop being open. 

  • To close, to stop from being open. 

  • To close a business temporarily, or (of a business) to be closed. 

adj
  • Closed; not open. 

noun
  • The act or time of shutting; close. 

  • The line or place where two pieces of metal are welded together. 

  • A door or cover; a shutter. 

  • A narrow alley or passage acting as a short cut through the buildings between two streets. 

unblock

verb
  • To remove or clear a block or obstruction from. 

  • In whist, to throw away a high card so as not to interrupt one's partner's long suit. 

  • To free or make available. 

  • To enable communication again, via telephone, instant messaging, etc., with (somebody previously blocked). 

noun
  • The removal of a block or blockage. 

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