doom and gloom vs negativity

doom and gloom

noun
  • Something considered indicative of feelings of pessimism and despair. 

negativity

noun
  • The characteristic of being pessimistic or contrarian. 

  • Negative sentiment. 

  • The characteristic of having a negative charge. 

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