foreign terrorist organization vs Pentagon Gang

foreign terrorist organization and Pentagon Gang both are nouns.

Word	Noun	Adjective	Verb	Adverb
foreign terrorist organization	Yes	No	No	No
Pentagon Gang	Yes	No	No	No

foreign terrorist organization (noun)	Pentagon Gang (noun)
a political movement that uses terror as a weapon to achieve its goals	a Filipino terrorist group that broke away from the Moro Islamic Liberation Front in 2001 in order to continue terrorism and kidnapping and extortion