brillo pad vs steel wool

brillo pad

noun
  • A scouring pad used for cleaning dishes, made from steel wool containing soap. 

  • The hair on the scalp of a black person. 

  • A black person. 

steel wool

noun
  • fine strips or threads of steel, usually formed into pads or balls and used as an abrasive. 

How often have the words brillo pad and steel wool occurred in a corpus of books? (source: Google Ngram Viewer )