equality vs unequal

equality is a noun but unequal is not a noun.

Word	Noun	Adjective	Verb	Adverb
equality	Yes	No	No	No
unequal	No	Yes	No	No

equality (noun)	unequal (noun)
the quality of being the same in quantity or measure or value or status
a state of being essentially equal or equivalent; equally balanced

equality (adjective)	unequal (adjective)
	poorly balanced or matched in quantity or value or measure
	lacking the requisite qualities or resources to meet a task