floorcloth vs hearthrug

floorcloth

noun
  • Material used in place of carpeting for covering floors, such as linoleum or oilcloth. 

  • A cloth, normally of flannel, used for cleaning floors. 

hearthrug

noun
  • A rug placed in front of a fireplace, on the hearth. 

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