scorching vs smouldering

scorching

noun
  • The act or result of something being scorched. 

adj
  • very high. 

  • Very hot. 

  • Bitterly sarcastic; scathing; withering. 

smouldering

noun
  • The act by which something smoulders; residual heat. 

adj
  • Burning slowly, producing smoke but no flame. 

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