caramel apple vs candied apple

caramel apple and candied apple both are nouns.

Word	Noun	Adjective	Verb	Adverb
caramel apple	Yes	No	No	No
candied apple	Yes	No	No	No

As nouns, caramel apple and candied apple are synonyms defined as:

caramel apple and candied apple: an apple that is covered with a candy-like substance (usually caramelized sugar)

Other synonyms of caramel apple include candy apple, taffy apple, toffee apple.

caramel apple (noun)	candied apple (noun)
an apple that is covered with a candy-like substance (usually caramelized sugar)	an apple that is covered with a candy-like substance (usually caramelized sugar)