flan vs panettone

flan

noun
  • A dessert of congealed custard, often topped with caramel, especially popular in Spanish-speaking countries. 

  • A coin die. (Compare planchet.) 

  • A fan of the U.S. TV series Firefly. 

  • Baked tart with sweet or savoury filling in an open-topped pastry case. (Compare quiche.) 

verb
  • To splay or bevel internally, as a window-pane. 

panettone

noun
  • A soft Italian sourdough brioche from Milan, with candied fruit, usually prepared for Christmas as a dessert. 

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