bliny vs battercake

bliny and battercake both are nouns.

Word	Noun	Adjective	Verb	Adverb
bliny	Yes	No	No	No
battercake	Yes	No	No	No

As nouns, battercake is a hypernym of bliny; that is, battercake is a word with a broader meaning than bliny:

bliny: Russian pancake of buckwheat flour and yeast; usually served with caviar and sour cream
battercake: a flat cake of thin batter fried on both sides on a griddle

Other hypernyms of bliny include flannel-cake, flannel cake, flapcake, flapjack, griddlecake, hot cake, hotcake, pancake.

bliny (noun)	battercake (noun)
Russian pancake of buckwheat flour and yeast; usually served with caviar and sour cream	a flat cake of thin batter fried on both sides on a griddle