flapjack vs flannel cake

flapjack and flannel cake both are nouns.

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

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

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

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

flapjack (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