cheerlessness vs dejection

cheerlessness

noun
  • the state or characteristic of being cheerless 

dejection

noun
  • The act of humbling or abasing oneself. 

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

  • A low condition; weakness; inability. 

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