popcorn ball vs candy

popcorn ball and candy both are nouns.

Word	Noun	Adjective	Verb	Adverb
popcorn ball	Yes	No	No	No
candy	Yes	No	Yes	No

As nouns, candy is a hypernym of popcorn ball; that is, candy is a word with a broader meaning than popcorn ball:

popcorn ball: popcorn combined with a thick sugar or molasses or caramel syrup and formed into balls
candy: a rich sweet made of flavored sugar and often combined with fruit or nuts

Other hypernyms of popcorn ball include confect.

popcorn ball (noun)	candy (noun)
popcorn combined with a thick sugar or molasses or caramel syrup and formed into balls	a rich sweet made of flavored sugar and often combined with fruit or nuts

popcorn ball (verb)	candy (verb)
	coat with something sweet, such as a hard sugar glaze