dishrag vs paper towel

dishrag

noun
  • A piece of cloth used for washing dishes. 

  • An unclean person; used in similes. 

paper towel

noun
  • A sheet of absorbent paper dispensed in restrooms, usually used for drying washed hands. 

  • A sheet of absorbent paper, used for cleaning and food preparation, usually sold in and dispensed from rolls. 

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