puncture vs tooth decay

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. 

tooth decay

noun
  • Dental caries. 

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