identity verification vs biometric authentication

identity verification and biometric authentication both are nouns.

Word	Noun	Adjective	Verb	Adverb
identity verification	Yes	No	No	No
biometric authentication	Yes	No	No	No

As nouns, identity verification and biometric authentication are synonyms defined as:

identity verification and biometric authentication: the automatic identification of living individuals by using their physiological and behavioral characteristics

Other synonyms of identity verification include biometric identification.

identity verification (noun)	biometric authentication (noun)
the automatic identification of living individuals by using their physiological and behavioral characteristics	the automatic identification of living individuals by using their physiological and behavioral characteristics