sandwich cake vs torte

sandwich cake

noun
  • A layer cake. 

  • A savory Swedish cake made from layers of bread with creamy fillings made from salmon, egg, vegetables, etc., served cold and sliced like a dessert cake. 

torte

noun
  • A rich, dense cake, typically made with many eggs and relatively little flour (as opposed to a sponge cake or gâteau). 

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