sullen vs uncontent

sullen

noun
  • Sullen feelings or manners; sulks; moroseness. 

adj
  • Having a brooding ill temper; sulky. 

  • Gloomy; dismal; foreboding. 

  • Sluggish; slow. 

uncontent

noun
  • A lack of contentment. 

adj
  • Not content; uncontented. 

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