grandness vs splendor

grandness and splendor both are nouns.

Word	Noun	Adjective	Verb	Adverb
grandness	Yes	No	No	No
splendor	Yes	No	No	No

As nouns, grandness and splendor are synonyms defined as:

grandness and splendor: the quality of being magnificent or splendid or grand

Other synonyms of grandness include brilliance, grandeur, magnificence, splendour.

grandness (noun)	splendor (noun)
the quality of being magnificent or splendid or grand	a quality that outshines the usual
unusual largeness in size or extent or number	the quality of being magnificent or splendid or grand
splendid or imposing in size or appearance
a prominent status