brown onion sauce vs sauce

brown onion sauce and sauce both are nouns.

Word	Noun	Adjective	Verb	Adverb
brown onion sauce	Yes	No	No	No
sauce	Yes	No	Yes	No

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

brown onion sauce: brown sauce with sauteed chopped onions and parsley and dry white wine or vinegar
sauce: flavorful relish or dressing or topping served as an accompaniment to food

brown onion sauce (noun)	sauce (noun)
brown sauce with sauteed chopped onions and parsley and dry white wine or vinegar	flavorful relish or dressing or topping served as an accompaniment to food

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