gloomy vs institutional

gloomy

adj
  • Suffering from gloom; melancholy; dejected. 

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

noun
  • Someone or something that is gloomy or pessimistic. 

institutional

adj
  • Of, pertaining to, characteristic of, or organized along the lines of an institution. 

  • Arising from the practice of an institution. 

  • Elementary; rudimentary. 

  • Instituted by authority. 

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