Elamite vs Elamitic

Elamite and Elamitic both are nouns.

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

As nouns, Elamite and Elamitic are synonyms defined as:

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

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

Elamite (noun)	Elamitic (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