puncture vs sawmill

puncture

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

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

  • The act or an instance of puncturing. 

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

sawmill

noun
  • A machine, building or company used for cutting (milling) lumber. 

verb
  • To process (lumber) in a sawmill. 

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