harm vs trauma

harm

noun
  • emotional or figurative hurt 

  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • That which causes injury, damage, or loss. 

verb
  • To cause injury to another; to hurt; to cause damage to something. 

trauma

noun
  • An emotional wound leading to psychological injury. 

  • An event that causes great distress. 

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

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