fruit bar vs cookie

fruit bar and cookie both are nouns.

Word	Noun	Adjective	Verb	Adverb
fruit bar	Yes	No	No	No
cookie	Yes	No	No	No

As nouns, cookie is a hypernym of fruit bar; that is, cookie is a word with a broader meaning than fruit bar:

fruit bar: cookies containing chopped fruits either mixed in the dough or spread between layers of dough then baked and cut in bars
cookie: any of various small flat sweet cakes

Other hypernyms of fruit bar include biscuit, cooky.

fruit bar (noun)	cookie (noun)
cookies containing chopped fruits either mixed in the dough or spread between layers of dough then baked and cut in bars	a short line of text that a web site puts on your computer's hard drive when you access the web site
	any of various small flat sweet cakes
	the cook on a ranch or at a camp