adusk vs bleak

adusk

adj
  • Resembling conditions at dusk or twilight, low-lit, dark; in darkness, gloomy. 

adv
  • At dusk; in the dusk or twilight. 

bleak

adj
  • Without color; pale; pallid. 

  • Desolate and exposed; swept by cold winds. 

  • Unhappy; cheerless; miserable; emotionally desolate. 

noun
  • A small European river fish (Alburnus alburnus), of the family Cyprinidae. 

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