nonentity vs irreality

nonentity and irreality both are nouns.

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

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

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

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

nonentity (noun)	irreality (noun)
a person of no influence	the state of being insubstantial or imaginary; not existing objectively or in fact
the state of not existing