terrorist group vs Party of Democratic Kampuchea

terrorist group and Party of Democratic Kampuchea both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist group	Yes	No	No	No
Party of Democratic Kampuchea	Yes	No	No	No

terrorist group (noun)	Party of Democratic Kampuchea (noun)
a political movement that uses terror as a weapon to achieve its goals	a communist organization formed in Cambodia in 1970; became a terrorist organization in 1975 when it captured Phnom Penh and created a government that killed an estimated three million people; was defeated by Vietnamese troops but remained active until 1999