paper towel vs washing mitt

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. 

washing mitt

noun
  • A mitt-shaped piece of terrycloth used for personal hygiene. 

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