battercake vs flannel cake

battercake and flannel cake both are nouns.

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

As nouns, battercake and flannel cake are synonyms defined as:

battercake and flannel cake: a flat cake of thin batter fried on both sides on a griddle

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

battercake (noun)	flannel cake (noun)
a flat cake of thin batter fried on both sides on a griddle	a flat cake of thin batter fried on both sides on a griddle