negativity vs wretchedness

negativity

noun
  • Negative sentiment. 

  • The characteristic of being pessimistic or contrarian. 

  • The characteristic of having a negative charge. 

wretchedness

noun
  • An unhappy state of mental or physical suffering. 

  • A state of prolonged misfortune, privation, or anguish. 

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