pfannkuchen vs flannel cake

pfannkuchen and flannel cake both are nouns.

Word	Noun	Adjective	Verb	Adverb
pfannkuchen	Yes	No	No	No
flannel cake	Yes	No	No	No

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

pfannkuchen: puffy mildly sweet lemon-flavored egg mixture sprinkled with confectioners' sugar and served with jam or a wine or fruit sauce
flannel cake: a flat cake of thin batter fried on both sides on a griddle

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

pfannkuchen (noun)	flannel cake (noun)
puffy mildly sweet lemon-flavored egg mixture sprinkled with confectioners' sugar and served with jam or a wine or fruit sauce	a flat cake of thin batter fried on both sides on a griddle