Israeli vs Sion

Israeli and Sion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Israeli	Yes	Yes	No	No
Sion	Yes	No	No	No

Israeli (noun)	Sion (noun)
a native or inhabitant of 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

Israeli (adjective)	Sion (adjective)
of or relating to or characteristic of Israel or its people