empire vs Persia

empire and Persia both are nouns.

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

empire (noun)	Persia (noun)
a monarchy with an emperor as head of state	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
a group of countries under a single authority	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
a group of diverse companies under common ownership and run as a single organization
the domain ruled by an emperor or empress; the region over which imperial dominion is exercised