candied apple vs toffee apple

candied apple and toffee apple both are nouns.

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

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

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

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

candied apple (noun)	toffee 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)