whiskey on the rocks vs drink

whiskey on the rocks and drink both are nouns.

Word	Noun	Adjective	Verb	Adverb
whiskey on the rocks	Yes	No	No	No
drink	Yes	No	Yes	No

As nouns, drink is a hypernym of whiskey on the rocks; that is, drink is a word with a broader meaning than whiskey on the rocks:

whiskey on the rocks (noun)	drink (noun)
whiskey with ice	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

whiskey on the rocks (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