marginality vs marginal

marginality is a noun but marginal is not a noun.

Word	Noun	Adjective	Verb	Adverb
marginality	Yes	No	No	No
marginal	No	Yes	No	No

marginality (noun)	marginal (noun)
the property of being marginal or on the fringes

marginality (adjective)	marginal (adjective)
	of questionable or minimal quality
	just barely adequate or within a lower limit
	at or constituting a border or edge
	producing at a rate that barely covers production costs