sullen vs unfresh

sullen

adj
  • Sluggish; slow. 

  • Having a brooding ill temper; sulky. 

  • Gloomy; dismal; foreboding. 

noun
  • Sullen feelings or manners; sulks; moroseness. 

unfresh

adj
  • Stale, not fresh. 

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