hoecake vs johnnycake

hoecake and johnnycake both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoecake	Yes	No	No	No
johnnycake	Yes	No	No	No

As nouns, johnnycake is a hypernym of hoecake; that is, johnnycake is a word with a broader meaning than hoecake:

hoecake: thin usually unleavened johnnycake made of cornmeal; originally baked on the blade of a hoe over an open fire (southern)
johnnycake: cornbread usually cooked pancake-style on a griddle (chiefly New England)

Other hypernyms of hoecake include johnny cake, journey cake.

hoecake (noun)	johnnycake (noun)
thin usually unleavened johnnycake made of cornmeal; originally baked on the blade of a hoe over an open fire (southern)	cornbread usually cooked pancake-style on a griddle (chiefly New England)