confection vs candy

confection and candy both are nouns.

Word	Noun	Adjective	Verb	Adverb
confection	Yes	No	Yes	No
candy	Yes	No	Yes	No

As nouns, candy is a hyponym of confection; that is, candy is a word with a more specific, narrower meaning than confection:

confection: a food rich in sugar
candy: a rich sweet made of flavored sugar and often combined with fruit or nuts

confection (noun)	candy (noun)
the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components	a rich sweet made of flavored sugar and often combined with fruit or nuts
a food rich in sugar

confection (verb)	candy (verb)
make into a confection	coat with something sweet, such as a hard sugar glaze