chiffon vs silk

chiffon

noun
  • A lightweight, balanced plain-woven sheer fabric, or gauze, like gossamer, woven of alternate S- and Z-twist crepe (high-twist) yarns made of silk, polyester, or cotton. 

  • Any purely ornamental accessory on a woman's dress, such as a bunch of ribbon, lace, etc. 

silk

noun
  • A fine, soft cloth woven from silk fibers. 

  • Anything which resembles silk, such as the filiform styles of the female flower of maize, or the seed covering of bombaxes. 

  • A pair of long silk sheets suspended in the air on which a performer performs tricks. 

  • A fine fiber excreted by the silkworm or other arthropod (such as a spider). 

  • The gown worn by a Senior (i.e. Queen's/King's) Counsel. 

  • A Queen's Counsel, King's Counsel or Senior Counsel. 

  • The garments worn by a jockey displaying the colors of the horse's owner. 

verb
  • To remove the silk from (corn). 

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