misery vs pessimism

misery

noun
  • Cause of misery; calamity; misfortune. 

  • A bodily ache or pain. 

  • Great unhappiness; extreme pain of body or mind; wretchedness; distress; woe. 

  • poverty. 

pessimism

noun
  • The condition of being pessimal. 

  • A general belief that bad things will happen. 

  • The doctrine that this world is the worst of all possible worlds. 

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