bath sponge vs gargle

bath sponge

noun
  • A sponge, made from any material, that is used for cleaning the body while bathing. 

  • A commercially used species of sponge (porifer, invertebrate of the phylum Porifera) found throughout the Mediterranean Sea, Spongia officinalis. 

gargle

noun
  • a liquid used for gargling 

  • lager, drink 

  • the sound of gargling 

verb
  • to use (a liquid) for purposes of cleaning one's mouth or throat by gargling. 

  • to clean a specific part of the body by gargling (almost always throat or mouth) 

  • to make a sound like the one made while gargling 

  • to clean one's mouth by holding water or some other liquid in the back of the mouth and blowing air out from the lungs 

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