Aswan vs Assuan

Aswan and Assuan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aswan	Yes	No	No	No
Assuan	Yes	No	No	No

As nouns, Aswan and Assuan are synonyms defined as:

Aswan and Assuan: an ancient city on the Nile in Egypt; two dams across the Nile have been built nearby

Other synonyms of Aswan include Assouan.

Aswan (noun)	Assuan (noun)
an ancient city on the Nile in Egypt; two dams across the Nile have been built nearby	an ancient city on the Nile in Egypt; two dams across the Nile have been built nearby