foreign terrorist organization vs CIRA

foreign terrorist organization and CIRA both are nouns.

Word	Noun	Adjective	Verb	Adverb
foreign terrorist organization	Yes	No	No	No
CIRA	Yes	No	No	No

foreign terrorist organization (noun)	CIRA (noun)
a political movement that uses terror as a weapon to achieve its goals	a terrorist organization formed in Ireland in 1994 as a clandestine armed wing of Sinn Fein