fender-bender vs trauma

fender-bender

noun
  • A minor accident involving at least one motor vehicle. 

trauma

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

  • An emotional wound leading to psychological injury. 

  • An event that causes great distress. 

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