Mattole language vs Athabaskan

Mattole language and Athabaskan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mattole language	Yes	No	No	No
Athabaskan	Yes	No	No	No

As nouns, Athabaskan is a hypernym of Mattole language; that is, Athabaskan is a word with a broader meaning than Mattole language:

Mattole language: the Athapaskan language spoken by the Mattole
Athabaskan: a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)

Other hypernyms of Mattole language include Athabascan, Athapascan, Athapaskan, Athapaskan language.

Mattole language (noun)	Athabaskan (noun)
the Athapaskan language spoken by the Mattole	a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)
	a member of any of the North American Indian groups speaking an Athapaskan language and living in the subarctic regions of western Canada and central Alaska