iced coffee vs coffee

iced coffee and coffee both are nouns.

Word	Noun	Adjective	Verb	Adverb
iced coffee	Yes	No	No	No
coffee	Yes	No	No	No

As nouns, coffee is a hypernym of iced coffee; that is, coffee is a word with a broader meaning than iced coffee:

Other hypernyms of iced coffee include java.

iced coffee (noun)	coffee (noun)
a strong sweetened coffee served over ice with cream	a medium brown to dark-brown color
	a beverage consisting of an infusion of ground coffee beans
	a seed of the coffee tree; ground to make coffee
	any of several small trees and shrubs native to the tropical Old World yielding coffee beans