gelato vs ice cream

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

noun
  • A dessert made from frozen sweetened cream or a similar substance, usually flavoured. 

  • A portion of ice cream on a stick, in a cup or in a wafer cone. 

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