sauce vs flavour

sauce and flavour both are nouns.

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

As verbs, flavour is a hypernym of sauce; that is, flavour is a word with a broader meaning than sauce:

Other hypernyms of sauce include flavor, season.

sauce (noun)	flavour (noun)
flavorful relish or dressing or topping served as an accompaniment to food	the taste experience when a savoury condiment is taken into the mouth
	(physics) the six kinds of quarks
	the general atmosphere of a place or situation and the effect that it has on people

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