bun vs flan

bun

noun
  • A small bread roll, often sweetened or spiced. 

  • A tight roll of hair worn at the back of the head. 

  • A drunken spree. 

  • The vagina. 

  • A newbie. 

  • A Korean unit of length equivalent to about 0.3 cm. 

  • marijuana cigarette, joint 

  • A cupcake. 

  • A buttock. 

verb
  • To form (the hair) into a bun. 

  • To smoke cannabis. 

  • To shoot. 

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. 

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