The Sutean language is mentioned by a clay tablet from the Middle Assyrian period, presumably originating from the city of Imar, among a list of languages spoken in the region. The other languages are Akkadian

Akkadian language

Akkadian is an extinct Semitic language that was spoken in ancient Mesopotamia. The earliest attested Semitic language, it used the cuneiform writing system derived ultimately from ancient Sumerian, an unrelated language isolate...

, Amorite

Amorite language

Amorite is an early Northwest Semitic language, spoken by the Amorite tribes prominent in early Near Eastern history. It is known exclusively from non-Akkadian proper names recorded by Akkadian scribes during periods of Amorite rule in Babylonia , notably from Mari, and to a lesser extent Alalakh,...

, Gutian

Gutian language

The Gutian language was spoken by the Gutians or Guteans, an ancient people who lived in the territory between the Zagros and the Tigris, present-day Iranian and Iraqi Kurdistan, around 2100 BCE, and who briefly ruled over Sumer....

, "Subarean" (Hurrian

Hurrian language

Hurrian is a conventional name for the language of the Hurrians , a people who entered northern Mesopotamia around 2300 BC and had mostly vanished by 1000 BC. Hurrian was the language of the Mitanni kingdom in northern Mesopotamia, and was likely spoken at least initially in Hurrian settlements in...

), and Elamite

Elamite language

Elamite is an extinct language spoken by the ancient Elamites. Elamite was the primary language in present day Iran from 2800–550 BCE. The last written records in Elamite appear about the time of the conquest of the Persian Empire by Alexander the Great....

. The Sutean people may have lived in the region of Suhum. Their language is only known from names, most of which are Akkadian or Amorite. The few which are neither also appear to be Semitic; it's possible that they were Aramaic

Aramaic language

Aramaic is a group of languages belonging to the Afroasiatic language phylum. The name of the language is based on the name of Aram, an ancient region in central Syria. Within this family, Aramaic belongs to the Semitic family, and more specifically, is a part of the Northwest Semitic subfamily,...

.