Hsian vs Xian

Hsian and Xian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hsian	Yes	No	No	No
Xian	Yes	No	No	No

As nouns, Hsian and Xian are synonyms defined as:

Hsian and Xian: a city of central China; capital of ancient Chinese empire 221-206 BC

Other synonyms of Hsian include Changan, Sian, Singan, Xi'an.

Hsian (noun)	Xian (noun)
a city of central China; capital of ancient Chinese empire 221-206 BC	a city of central China; capital of ancient Chinese empire 221-206 BC