odd-even check vs verification

odd-even check and verification both are nouns.

Word	Noun	Adjective	Verb	Adverb
odd-even check	Yes	No	No	No
verification	Yes	No	No	No

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

odd-even 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 odd-even check include check, confirmation, substantiation.

odd-even 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