nobility vs grandeur

nobility and grandeur both are nouns.

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

As nouns, nobility and grandeur are synonyms defined as:

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

Other synonyms of nobility include magnanimousness, nobleness.

nobility (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
a privileged class holding hereditary titles	the quality of elevation of mind and exaltation of character or ideals or conduct
the state of being of noble birth