boredom vs dejection

boredom

noun
  • An instance or period of being bored; A bored state. 

  • The state of being bored. 

dejection

noun
  • A state of melancholy or depression; low spirits, the blues. 

  • The act of humbling or abasing oneself. 

  • A low condition; weakness; inability. 

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