terrorist group vs AUC

terrorist group and AUC both are nouns.

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

terrorist group (noun)	AUC (noun)
a political movement that uses terror as a weapon to achieve its goals	a terrorist organization in Colombia formed in 1997 as an umbrella for local and regional paramilitary groups; is financed by earnings from narcotics and serves to protect the economic interests of its members