Aleut vs Eskimo-Aleut language

Aleut and Eskimo-Aleut language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aleut	Yes	No	No	No
Eskimo-Aleut language	Yes	No	No	No

As nouns, Eskimo-Aleut language is a hypernym of Aleut; that is, Eskimo-Aleut language is a word with a broader meaning than Aleut:

Aleut: the language spoken by the Aleut
Eskimo-Aleut language: the family of languages that includes Eskimo and Aleut

Other hypernyms of Aleut include Eskimo-Aleut.

Aleut (noun)	Eskimo-Aleut language (noun)
the language spoken by the Aleut	the family of languages that includes Eskimo and Aleut
a community of Native Americans who speak an Eskimo-Aleut language and inhabit the Aleutian Islands and southwestern Alaska
a member of the people inhabiting the Aleutian Islands and southwestern Alaska