caramel apple vs confection

caramel apple and confection both are nouns.

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

As nouns, confection is a hypernym of caramel apple; that is, confection is a word with a broader meaning than caramel apple:

caramel apple: an apple that is covered with a candy-like substance (usually caramelized sugar)
confection: a food rich in sugar

Other hypernyms of caramel apple include sweet.

caramel apple (noun)	confection (noun)
an apple that is covered with a candy-like substance (usually caramelized sugar)	the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components
	a food rich in sugar

caramel apple (verb)	confection (verb)
	make into a confection