foreign terrorist organization vs RIRA

foreign terrorist organization and RIRA both are nouns.

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

foreign terrorist organization (noun)	RIRA (noun)
a political movement that uses terror as a weapon to achieve its goals	a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement