flan vs kolach

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. 

kolach

noun
  • Type of pastry that holds a portion of fruit or cheese, surrounded by a puffy cushion of supple dough. 

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