bow-wow vs retriever

bow-wow

noun
  • A dog. 

  • The sound of a dog barking. 

intj
  • Representing the sound of a dog barking. 

retriever

noun
  • A type of gun dog that retrieves game for a hunter. 

  • A tool for retrieving materials from the body after an operation. 

  • One who retrieves something. 

How often have the words bow-wow and retriever occurred in a corpus of books? (source: Google Ngram Viewer )