gelato vs ice cream bar

gelato

noun
  • An Italian variant of ice cream made from milk and sugar, combined with other flavourings. The ingredients are supercooled while stirring to break up ice crystals as they form. 

ice cream bar

noun
  • A frozen dessert on a stick or a candy bar that has ice cream in it. The coating is usually a thin layer of chocolate. 

How often have the words gelato and ice cream bar occurred in a corpus of books? (source: Google Ngram Viewer )