derby vs prizefight

derby

noun
  • A sports match between rival teams. 

  • A local derby. 

  • A bowler hat. 

  • Any of several annual horse races. 

  • Any organized race. 

prizefight

noun
  • A professional boxing match, in which two boxers compete for a prize (usually money). 

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