pouting vs sullen

pouting

noun
  • An expression or motion that pouts; a pout. 

  • A fish in the cod family (Gadidae), Trisopterus luscus. 

sullen

noun
  • Sullen feelings or manners; sulks; moroseness. 

adj
  • Having a brooding ill temper; sulky. 

  • Gloomy; dismal; foreboding. 

  • Sluggish; slow. 

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