bavarois vs smetana

bavarois

noun
  • A pudding similar to pastry cream but thickened with gelatin or isinglass instead of flour or cornstarch, and flavoured with liqueur. 

smetana

noun
  • A form of soured cream or crème fraîche from Central and Eastern Europe. 

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