puncture vs unstop

puncture

verb
  • To pierce; to break through; to tear a hole. 

noun
  • A hole in a vehicle's tyre, causing the tyre to deflate. 

  • The act or an instance of puncturing. 

  • A hole, cut, or tear created by a sharp object. 

unstop

verb
  • To draw out the stops of (an organ). 

  • To remove a stoppage; to clear a blockage. 

  • To unplug or uncork a container. 

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