flaring vs red-hot

flaring

noun
  • The deliberate open-air burning of natural gas that is generated as a by-product of various petrochemical processes, especially oil extraction; gas flaring. 

  • The act of something that flares. 

red-hot

adj
  • Very fresh, exciting, and up-to-date. 

  • Having a very strong sexual appeal. 

  • Heated to the point that it glows with a visible red color. 

  • very hot 

  • Emotionally charged, especially with anger or enthusiasm. 

How often have the words flaring and red-hot occurred in a corpus of books? (source: Google Ngram Viewer )