battercake vs flapjack

battercake and flapjack both are nouns.

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

As nouns, battercake and flapjack are synonyms defined as:

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

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

battercake (noun)	flapjack (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