institutional vs unhappy

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. 

unhappy

adj
  • Not happy; sad. 

  • Not satisfied; unsatisfied. 

noun
  • An individual who is not happy. 

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