Khmer Rouge vs foreign terrorist organization

Khmer Rouge and foreign terrorist organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
Khmer Rouge	Yes	No	No	No
foreign terrorist organization	Yes	No	No	No

Khmer Rouge (noun)	foreign terrorist organization (noun)
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	a political movement that uses terror as a weapon to achieve its goals