dejection vs forlornness

dejection

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

  • The act of humbling or abasing oneself. 

  • A low condition; weakness; inability. 

forlornness

noun
  • The state or characteristic of being forlorn; sadness; loneliness. 

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