searing vs smouldering

searing

adj
  • very hot; blistering or boiling 

  • having a sensation of intense sudden heat 

  • damning; critical; scathing 

noun
  • cooking food quickly at high temperature 

  • action of the verb to sear 

smouldering

adj
  • Burning slowly, producing smoke but no flame. 

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

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