raise the temperature of vs reheat

raise the temperature of

reheat

verb
  • To become hot again after having cooled off (also in figurative senses). 

  • To heat something after it has cooled off, especially previously cooked food (also in figurative senses). 

noun
  • An afterburner. 

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