parity check vs verification

parity check and verification both are nouns.

Word	Noun	Adjective	Verb	Adverb
parity check	Yes	No	No	No
verification	Yes	No	No	No

As nouns, verification is a hypernym of parity check; that is, verification is a word with a broader meaning than parity check:

parity check: a system of checking for errors in computer functioning
verification: additional proof that something that was believed (some fact or hypothesis or theory) is correct

Other hypernyms of parity check include check, confirmation, substantiation.

parity check (noun)	verification (noun)
a system of checking for errors in computer functioning	additional proof that something that was believed (some fact or hypothesis or theory) is correct
	(law) an affidavit attached to a statement confirming the truth of that statement