irrevocability vs finality

irrevocability and finality both are nouns.

Word	Noun	Adjective	Verb	Adverb
irrevocability	Yes	No	No	No
finality	Yes	No	No	No

As nouns, finality is a hypernym of irrevocability; that is, finality is a word with a broader meaning than irrevocability:

irrevocability: The state or condition of being impossible to retract or reverse; finality.
finality: the quality of being final or definitely settled

Other hypernyms of irrevocability include conclusiveness, decisiveness.

irrevocability (noun)	finality (noun)
The state or condition of being impossible to retract or reverse; finality.	the quality of being final or definitely settled