flan vs mousse

flan

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

  • A coin die. (Compare planchet.) 

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

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

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

mousse

noun
  • An airy pudding served chilled, particularly chocolate mousse. 

  • A styling cream used for hair. 

  • A savory dish, of meat or seafood, containing gelatin. 

  • A stable emulsion of water and oil that is created by wave action churning the water where an oil spill occurs. 

verb
  • To apply mousse (styling cream). 

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