MRTA vs foreign terrorist organization

MRTA and foreign terrorist organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
MRTA	Yes	No	No	No
foreign terrorist organization	Yes	No	No	No

MRTA (noun)	foreign terrorist organization (noun)
a Marxist-Leninist terrorist organization in Peru; was formed in 1983 to overthrow the Peruvian government and replace it with a Marxist regime; has connections with the ELN in Bolivia	a political movement that uses terror as a weapon to achieve its goals