braise vs bring to a boil

braise

verb
  • To cook in a small amount of liquid, in a covered pan, somewhere between steaming and boiling. 

noun
  • A sauce used for braising. 

  • A dish (usually meat) prepared by braising. 

  • Pagellus bogaraveo, syn. Pagellus centrodontus (sea bream) 

bring to a boil

verb
  • To heat something until it reaches its boiling point. 

  • To bring (a debate, etc.) to a peak of activity or emotion. 

How often have the words braise and bring to a boil occurred in a corpus of books? (source: Google Ngram Viewer )