cheesecake vs vatrushka

cheesecake

noun
  • A pie made of sweetened and flavoured cottage cheese or cream cheese, eggs and milk on a crunchy base. 

  • Imagery of scantily clad, sexually attractive young women; pin-ups. 

vatrushka

noun
  • A sort of small, round pastry filled with cottage cheese, popular in Eastern Europe. 

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