cummerbund vs waistcloth

cummerbund

noun
  • A broad sash, especially one that is pleated lengthwise and worn as an article of formal dress, as around a man's waist together with a tuxedo or dinner jacket. 

waistcloth

noun
  • A cloth or garment worn around the waist. 

  • A covering of canvas or tarpaulin for the hammocks, stowed on the nettings, between the quarterdeck and the forecastle. 

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