terrorist group vs Jemaah Islamiyah

terrorist group and Jemaah Islamiyah both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist group	Yes	No	No	No
Jemaah Islamiyah	Yes	No	No	No

terrorist group (noun)	Jemaah Islamiyah (noun)
a political movement that uses terror as a weapon to achieve its goals	a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia