terrorist act vs biometric authentication

terrorist act and biometric authentication both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist act	Yes	No	No	No
biometric authentication	Yes	No	No	No

terrorist act (noun)	biometric authentication (noun)
the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear	the automatic identification of living individuals by using their physiological and behavioral characteristics