drugget vs horsecloth

drugget

noun
  • An inexpensive coarse woolen cloth, used mainly for clothing. 

  • A floor covering made of drugget. 

horsecloth

noun
  • A rug or similar cloth used to cover a horse, or as part of its trappings. 

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