bindle vs duffel bag

bindle

noun
  • A bundle carried by a hobo (usually containing his possessions), often on a stick slung over the shoulder; a blanket roll. 

  • Any given length of cord, rope, twine, etc, used to bind something. 

  • Any bundle or package; specifically one containing narcotics such as cocaine, heroin, or morphine. 

duffel bag

noun
  • A large, cylindrical, duffel cloth bag used to carry personal gear, especially by soldiers. 

  • A smaller, cylindrical, cloth bag fashionable in the 1950s and 1960s. 

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