blini vs hot cake

blini and hot cake both are nouns.

Word	Noun	Adjective	Verb	Adverb
blini	Yes	No	No	No
hot cake	Yes	No	No	No

As nouns, hot cake is a hypernym of blini; that is, hot cake is a word with a broader meaning than blini:

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

Other hypernyms of blini include battercake, flannel-cake, flannel cake, flapcake, flapjack, griddlecake, hotcake, pancake.

blini (noun)	hot 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