patchwork quilt vs plaid

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. 

plaid

noun
  • A type of twilled woollen cloth, often with a tartan or chequered pattern. 

  • The typical chequered pattern of a plaid; tartan. 

  • A length of such material used as a piece of clothing, formerly worn in the Scottish Highlands and other parts of northern Britain and remaining as an item of ceremonial dress worn by members of Scottish pipe bands. 

adj
  • Having a pattern or colors which resemble a Scottish tartan; checkered or marked with bars or stripes at right angles to one another. 

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