bird of ill omen vs gloomy

bird of ill omen

noun
  • A person who brings bad news 

gloomy

noun
  • Someone or something that is gloomy or pessimistic. 

adj
  • Suffering from gloom; melancholy; dejected. 

  • Not very illuminated; dim because of darkness, especially when appearing depressing or frightening. 

How often have the words bird of ill omen and gloomy occurred in a corpus of books? (source: Google Ngram Viewer )