Mattole language vs Athapascan

Mattole language and Athapascan both are nouns.

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

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

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

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

Mattole language (noun)	Athapascan (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