terrorist act vs ring containment

terrorist act and ring containment both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist act	Yes	No	No	No
ring containment	Yes	No	No	No

terrorist act (noun)	ring containment (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	a strategy of defense in cases of bioterrorism; vaccination only of people exposed and others who are in contact with them