terrorist group vs Base

terrorist group and Base both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist group	Yes	No	No	No
Base	Yes	No	No	No

terrorist group (noun)	Base (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