gelati vs gelato

gelati

noun
  • gelato, Italian style ice-cream; a serving of gelato, often in a cone. 

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. 

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