gloomy vs predictive

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. 

predictive

noun
  • A conditional statement that includes a prediction in the dependent clause (e.g. "if it rains, the game will be cancelled", "give her an inch and she'll take a mile."). 

  • Simulated data generated from a statistical model, based on the estimates for the real data. 

adj
  • Expressing the expected accuracy of a statistical measure or of a diagnostic test. 

  • Useful in predicting. 

  • Describing a predictor. 

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