hotcake vs flapjack

hotcake and flapjack both are nouns.

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

As nouns, hotcake and flapjack are synonyms defined as:

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

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

hotcake (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