dough vs kolach

dough

noun
  • A thick, malleable substance made by mixing flour with other ingredients such as water, eggs, and/or butter, that is made into a particular form and then baked. 

verb
  • To make into dough. 

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 dough and kolach occurred in a corpus of books? (source: Google Ngram Viewer )