grandness vs immenseness

grandness and immenseness both are nouns.

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

As nouns, grandness and immenseness are synonyms defined as:

grandness and immenseness: unusual largeness in size or extent or number

Other synonyms of grandness include enormousness, greatness, immensity, sizeableness, vastness, wideness.

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