irreality vs nonentity

irreality and nonentity both are nouns.

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

As nouns, nonentity is a hypernym of irreality; that is, nonentity is a word with a broader meaning than irreality:

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

Other hypernyms of irreality include nonexistence.

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