different between validity vs verification

English

valid +? -ity, borrowed from Middle French validité, from Late Latin validitas.

validity (countable and uncountable, plural validities)

The state of being valid, authentic or genuine.
State of having legal force.
A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).

From Middle French vérification, from Medieval Latin verificatio

verification (countable and uncountable, plural verifications)

The act of verifying.
The state of being verified.
Confirmation; authentication.
The detective needs verification of your whereabouts last night.
(law) A formal phrase used in concluding a plea, to denote confirmation by evidence.
(mathematics) The operation of testing the equation of a problem, to see whether it truly expresses the conditions of the problem.

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