much vs incalculable

much is a noun but incalculable is not a noun.

Word	Noun	Adjective	Verb	Adverb
much	Yes	Yes	No	Yes
incalculable	No	Yes	No	No

much (noun)	incalculable (noun)
a great amount or extent

much (adjective)	incalculable (adjective)
(quantifier used with mass nouns) great in quantity or degree or extent	not able to be computed or enumerated
	too much to be measured

much (adverb)	incalculable (adverb)
to a great degree or extent
(degree adverb used before a noun phrase) for all practical purposes but not completely
incredibly
frequently or in great quantities