battercake vs flapcake

battercake and flapcake both are nouns.

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

As nouns, battercake and flapcake are synonyms defined as:

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

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

battercake (noun)	flapcake (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