prizefight vs quarterfinal

prizefight

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

quarterfinal

noun
  • One of the four competitions in a knockout tournament whose winners go on to play in the two semifinals. 

  • A competition that narrows a field of contestants (quarterfinalists) to a set of semifinalists, for a subsequent final. 

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