depressing vs institutional

depressing

adj
  • Causing a reduction in economic activity. 

  • Causing depression or sadness. 

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 depressing and institutional occurred in a corpus of books? (source: Google Ngram Viewer )