Negev Desert vs Sion

Negev Desert and Sion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Negev Desert	Yes	No	No	No
Sion	Yes	No	No	No

Negev Desert (noun)	Sion (noun)
a desert in southern Israel	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