ABB vs foreign terrorist organization

ABB and foreign terrorist organization both are nouns.

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

ABB (noun)	foreign terrorist organization (noun)
an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s	a political movement that uses terror as a weapon to achieve its goals