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