MEK vs Persia

MEK and Persia both are nouns.

Word	Noun	Adjective	Verb	Adverb
MEK	Yes	No	No	No
Persia	Yes	No	No	No

MEK (noun)	Persia (noun)
a terrorist organization formed in the 1960s by children of Iranian merchants; sought to counter the Shah of Iran's pro-western policies of modernization and opposition to communism; following a philosophy that mixes Marxism and Islam it now attacks the Islamic fundamentalists who deposed the Shah	a theocratic Islamic republic in the Middle East in western Asia; Iran was the core of the ancient empire that was known as Persia until 1935; rich in oil
	an empire in southern Asia created by Cyrus the Great in the 6th century BC and destroyed by Alexander the Great in the 4th century BC