foreign terrorist organization vs FLNC

foreign terrorist organization and FLNC both are nouns.

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

foreign terrorist organization (noun)	FLNC (noun)
a political movement that uses terror as a weapon to achieve its goals	a terrorist group formed in 1976 to work for Corsican independence; attacks on Corsica are aimed at sabotaging public infrastructure and symbols of colonialism