trauma vs traumatism

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. 

traumatism

noun
  • A physical or mental injury that is the result of trauma 

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