hearthrug vs patchwork quilt

hearthrug

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

patchwork quilt

noun
  • A decorative quilt made of pieces of cloth having diverse sizes, colors, and shapes, sewn together either to form a regular pattern or in a deliberately mismatched fashion without a pattern. 

  • Something having a haphazard or disorganized structure; something composed of seemingly random parts. 

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