magnanimousness vs grandeur

magnanimousness and grandeur both are nouns.

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

As nouns, magnanimousness and grandeur are synonyms defined as:

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

Other synonyms of magnanimousness include nobility, nobleness.

magnanimousness (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