chocolate sauce vs sauce

chocolate sauce and sauce both are nouns.

Word	Noun	Adjective	Verb	Adverb
chocolate sauce	Yes	No	No	No
sauce	Yes	No	Yes	No

As nouns, sauce is a hypernym of chocolate sauce; that is, sauce is a word with a broader meaning than chocolate sauce:

chocolate sauce: sauce made with unsweetened chocolate or cocoa and sugar and water
sauce: flavorful relish or dressing or topping served as an accompaniment to food

chocolate sauce (noun)	sauce (noun)
sauce made with unsweetened chocolate or cocoa and sugar and water	flavorful relish or dressing or topping served as an accompaniment to food

chocolate sauce (verb)	sauce (verb)
	add zest or flavor to, make more interesting
	dress (food) with a relish
	behave saucily or impudently towards