terrorist group vs PPK

terrorist group and PPK both are nouns.

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

terrorist group (noun)	PPK (noun)
a political movement that uses terror as a weapon to achieve its goals	a Marxist-Leninist terrorist group of Kurds trying to establish an independent Kurdish state in eastern Turkey