Elamite vs Susian

Elamite and Susian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Elamite	Yes	No	No	No
Susian	Yes	No	No	No

As nouns, Elamite and Susian are synonyms defined as:

Elamite and Susian: an extinct ancient language of unknown affinities; spoken by the Elamites

Other synonyms of Elamite include Elamite language, Elamitic, Elamitic language, Susian language.

Elamite (noun)	Susian (noun)
an extinct ancient language of unknown affinities; spoken by the Elamites	an extinct ancient language of unknown affinities; spoken by the Elamites
a member of an ancient warlike people living in Elam east of Babylonia as early as 3000 BC