adusk vs desolate

adusk

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

adv
  • At dusk; in the dusk or twilight. 

desolate

adj
  • Dismal or dreary. 

  • Made unfit for habitation or use because of neglect, destruction etc. 

  • Barren and lifeless. 

  • Deserted and devoid of inhabitants. 

  • Sad, forlorn and hopeless. 

verb
  • To devastate or lay waste somewhere. 

  • To abandon or forsake something. 

  • To deprive of inhabitants. 

  • To make someone sad, forlorn and hopeless. 

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