Jerusalem vs Zion

Jerusalem and Zion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jerusalem	Yes	No	No	No
Zion	Yes	No	No	No

Jerusalem (noun)	Zion (noun)
capital and largest city of the modern state of Israel (although its status as capital is disputed); it was captured from Jordan in 1967 in the Six Day War; a holy city for Jews and Christians and Muslims; was the capital of an ancient kingdom	an imaginary place considered to be perfect or ideal
	Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine
	originally a stronghold captured by David (the 2nd king of the Israelites); above it was built a temple and later the name extended to the whole hill; finally it became a synonym for the city of Jerusalem