grandeur vs magnanimousness

grandeur and magnanimousness both are nouns.

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

As nouns, grandeur and magnanimousness are synonyms defined as:

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

Other synonyms of grandeur include nobility, nobleness.

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