bargello vs quilting

bargello

noun
  • A type of needlepoint embroidery consisting of upright flat stitches laid in a pattern to create zigzag or flamelike motifs, or similar motifs created in quilts. 

  • A police or military chief in medieval Italian comuni. 

  • An Italian medieval police or military headquarters. 

quilting

noun
  • The practice of creating quilts 

  • A layer or layers of quilted padding. 

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