burnt vs smouldering

burnt

adj
  • Damaged or injured by fire or heat. 

  • Being darker than standard, especially browner. 

  • Having a sunburn. 

  • Carbonised. 

smouldering

adj
  • Burning slowly, producing smoke but no flame. 

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

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