Sion vs Zion

Sion and Zion both are nouns.

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

As nouns, Sion and Zion are synonyms defined as:

Other synonyms of Sion include Utopia.

As nouns, Sion and Zion are synonyms defined as:

Sion and Zion: Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine

Other synonyms of Sion include Israel, State of Israel, Yisrael.

As nouns, Sion and Zion are synonyms defined as:

Sion and Zion: 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

Other synonyms of Sion include Mount Zion.

Sion (noun)	Zion (noun)
an imaginary place considered to be perfect or ideal	an imaginary place considered to be perfect or ideal
Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine	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	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