journey cake vs johnnycake

journey cake and johnnycake both are nouns.

Word	Noun	Adjective	Verb	Adverb
journey cake	Yes	No	No	No
johnnycake	Yes	No	No	No

As nouns, journey cake and johnnycake are synonyms defined as:

journey cake and johnnycake: cornbread usually cooked pancake-style on a griddle (chiefly New England)

Other synonyms of journey cake include johnny cake.

journey cake (noun)	johnnycake (noun)
cornbread usually cooked pancake-style on a griddle (chiefly New England)	cornbread usually cooked pancake-style on a griddle (chiefly New England)