nonstandard vs quantity

nonstandard is not a noun while quantity is a noun.

Word	Noun	Adjective	Verb	Adverb
nonstandard	No	Yes	No	No
quantity	Yes	No	No	No

nonstandard (noun)	quantity (noun)
	how much there is or how many there are of something that you can quantify
	an adequate or large amount
	the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable

nonstandard (adjective)	quantity (adjective)
not standard; not accepted as a model of excellence
varying from or not adhering to a standard
not conforming to the language usage of a prestige group within a community