blini vs latke

blini

noun
  • A small pancake, of Russian origin, made from buckwheat flour; traditionally served with melted butter, sour cream and caviar or smoked salmon. 

latke

noun
  • A pancake fried in oil, usually made from potatoes and sometimes also onions, traditionally served on Hanukkah. 

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