terrorist organization vs al-Muhajiroun

terrorist organization and al-Muhajiroun both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist organization	Yes	No	No	No
al-Muhajiroun	Yes	No	No	No

terrorist organization (noun)	al-Muhajiroun (noun)
a political movement that uses terror as a weapon to achieve its goals	a hard-line extremist Islamic group in Great Britain who support bin Laden and other terrorist groups