terrorist group vs al-Qaeda

terrorist group and al-Qaeda both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist group	Yes	No	No	No
al-Qaeda	Yes	No	No	No

terrorist group (noun)	al-Qaeda (noun)
a political movement that uses terror as a weapon to achieve its goals	a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries