chiffon vs pellucid

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. 

pellucid

adj
  • Allowing the passage of light; translucent or transparent. 

  • Easily understood; clear. 

  • Of music or some other sound: not discordant or harsh; clear and pure-sounding. 

  • Of a person, their mind, etc.: able to think and understand clearly; not confused; clear, sharp. 

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