crystal vs parfait

crystal

noun
  • A piece of glimmering, shining mineral resembling ice or glass. 

  • A fine type of glassware, or the material used to make it. 

  • Crystal meth: methamphetamine hydrochloride. 

  • A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions. 

  • The glass over the dial of a watch case. 

adj
  • Very clear. 

  • "Do I make myself clear?" / "Crystal." 

parfait

noun
  • An American parfait, a layered dessert often consisting of fruit, ice cream, pastries, whipped topping, etc. and served in a glass, often a parfait glass. 

  • A French parfait (parfait glacé), an iced dessert made with egg yolks, sugar, cream, and flavouring (usually fruit), sometimes with the addition of a liqueur. 

  • A smooth pâté, usually made from liver and flavoured with liqueurs. 

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