bliny vs flannel-cake

bliny and flannel-cake both are nouns.

Word	Noun	Adjective	Verb	Adverb
bliny	Yes	No	No	No
flannel-cake	Yes	No	No	No

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

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

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

bliny (noun)	flannel-cake (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