nonentity vs unreality

nonentity and unreality both are nouns.

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

As nouns, unreality is a hyponym of nonentity; that is, unreality is a word with a more specific, narrower meaning than nonentity:

nonentity: the state of not existing
unreality: the state of being insubstantial or imaginary; not existing objectively or in fact

Other hyponyms of nonentity include irreality, nihility, nothingness, nullity, void, impossibility, impossibleness.

nonentity (noun)	unreality (noun)
a person of no influence	the quality possessed by something that is unreal
the state of not existing	ineptitude in dealing with reality.
	the state of being insubstantial or imaginary; not existing objectively or in fact