icing vs parfait

icing

noun
  • A sweet, often creamy and thick glaze made primarily of sugar, often enriched with ingredients like butter, egg whites, or flavorings, typically used for baked goods. 

  • A minor violation of ice hockey rules, occurring when a player shoots the puck from his/her side of the red line so that it crosses the goal line on the opponent's side. A team playing short-handed is not penalized for this. 

  • The process of forming a layer of ice on a surface. 

  • Conditions conducive to the formation of ice on aircraft surfaces. 

parfait

noun
  • 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. 

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

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