immenseness vs grandness

immenseness and grandness both are nouns.

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

As nouns, immenseness and grandness are synonyms defined as:

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

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

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