parfait vs preserve

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. 

preserve

noun
  • A sweet spread made of any of a variety of fruits. 

  • An activity with restricted access. 

  • A reservation, a nature preserve. 

verb
  • To save from decay by the use of some preservative substance, such as sugar or salt; to season and prepare (fruits, meat, etc.) for storage. 

  • To maintain throughout; to keep intact. 

  • To protect; to keep from harm or injury. 

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