stencil vs swatch

stencil

noun
  • A thin sheet, either perforated or using some other technique, with which a pattern may be produced upon a surface; a utensil that contains a perforated sheet. 

  • A two-ply master sheet for use with a mimeograph. 

  • A pattern produced using such a utensil. 

verb
  • To print with a stencil. 

swatch

noun
  • A piece, pattern, or sample, generally of cloth or a similar material. 

  • A selection of such samples bound together. 

  • A channel or passage of water between sandbanks, or between a sandbank and a seashore. 

  • A clump or portion of something. 

  • A demonstration, an example, a proof. 

verb
  • To create a swatch, especially a sample of knitted fabric. 

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