unreality vs unreal

unreality is a noun but unreal is not a noun.

Word	Noun	Adjective	Verb	Adverb
unreality	Yes	No	No	No
unreal	No	Yes	No	No

unreality (noun)	unreal (noun)
the quality possessed by something that is unreal
ineptitude in dealing with reality.
the state of being insubstantial or imaginary; not existing objectively or in fact

unreality (adjective)	unreal (adjective)
	lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
	not actually such; being or seeming fanciful or imaginary
	lacking material form or substance; unreal
	contrived by art rather than nature