fruit juice vs drink

fruit juice and drink both are nouns.

Word	Noun	Adjective	Verb	Adverb
fruit juice	Yes	No	No	No
drink	Yes	No	Yes	No

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

Other hypernyms of fruit juice include beverage, drinkable, potable.

fruit juice (noun)	drink (noun)
drink produced by squeezing or crushing fruit	the act of drinking alcoholic beverages to excess
	the act of swallowing
	any liquid suitable for drinking
	a single serving of a beverage
	any large deep body of water

fruit juice (verb)	drink (verb)
	be fascinated or spell-bound by; pay close attention to
	take in liquids
	consume alcohol
	drink excessive amounts of alcohol; be an alcoholic
	propose a toast to