suaveness vs graciousness

suaveness and graciousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
suaveness	Yes	No	No	No
graciousness	Yes	No	No	No

As nouns, graciousness is a hypernym of suaveness; that is, graciousness is a word with a broader meaning than suaveness:

suaveness: the quality of being bland and gracious or ingratiating in manner
graciousness: excellence of manners or social conduct

suaveness (noun)	graciousness (noun)
the quality of being bland and gracious or ingratiating in manner	excellence of manners or social conduct
	the quality of being kind and gentle