adversity vs trauma

adversity

noun
  • An event that is adverse; calamity. 

  • The state of adverse conditions; state of misfortune or calamity. 

trauma

noun
  • An event that causes great distress. 

  • An emotional wound leading to psychological injury. 

  • Any serious injury to the body, often resulting from violence or an accident. 

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