nobleness vs grandeur

nobleness and grandeur both are nouns.

Word	Noun	Adjective	Verb	Adverb
nobleness	Yes	No	No	No
grandeur	Yes	No	No	No

As nouns, nobleness and grandeur are synonyms defined as:

nobleness and grandeur: the quality of elevation of mind and exaltation of character or ideals or conduct

Other synonyms of nobleness include magnanimousness, nobility.

nobleness (noun)	grandeur (noun)
the quality of elevation of mind and exaltation of character or ideals or conduct	the quality of being magnificent or splendid or grand
	the quality of elevation of mind and exaltation of character or ideals or conduct