afghan vs horsecloth

afghan

noun
  • A blanket or throw, usually crocheted or knitted. 

  • A type of iced chocolate biscuit, sometimes containing cornflakes and topped with a walnut. 

horsecloth

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

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