tragedy vs trauma centre

tragedy

noun
  • A disastrous event, especially one involving great loss of life or injury. 

  • A drama or similar work, in which the main character is brought to ruin or otherwise suffers the extreme consequences of some tragic flaw or weakness of character. 

  • The genre of such works, and the art of producing them. 

trauma centre

noun
  • A type of hospital with a highly capable trauma department. 

  • A specialized section of a hospital intended to treat suddenly occurring life-threatening injuries and medical conditions. 

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