casualty vs prey

casualty

noun
  • Someone or something adversely affected by a decision, event or situation. 

  • Something that happens by chance, especially an unfortunate event; an accident, a disaster. 

  • An incidental charge or payment. 

  • A person in military service who becomes unavailable for duty, for any reason (notably death, injury, illness, capture, or desertion). 

  • The accident and emergency department of a hospital providing immediate treatment; a casualty department or emergency room. 

  • A person suffering from injuries or who has been killed due to an accident or through an act of violence. 

  • Specifically, a person who has been killed (not only injured) due to an accident or through an act of violence; a fatality. 

prey

noun
  • A person or thing given up as a victim. 

  • That which is or may be seized by animals or birds to be devoured 

  • A living thing that is eaten by another living thing. 

  • The victim of a disease. 

verb
  • To act as a predator. 

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