gracious vs graciousness

gracious is not a noun while graciousness is a noun.

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

gracious (noun)	graciousness (noun)
	excellence of manners or social conduct
	the quality of being kind and gentle

gracious (adjective)	graciousness (adjective)
characterized by charm, good taste, and generosity of spirit
characterized by kindness and warm courtesy especially of a king to his subjects
exhibiting courtesy and politeness
disposed to bestow favors