Athapascan vs Mattole

Athapascan and Mattole both are nouns.

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

As nouns, Mattole is a hyponym of Athapascan; that is, Mattole is a word with a more specific, narrower meaning than Athapascan:

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

As nouns, Mattole is a hyponym of Athapascan; that is, Mattole is a word with a more specific, narrower meaning than Athapascan:

Athapascan: 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
Mattole: a member of the Athapaskan people living in northwestern California

Other hyponyms of Athapascan include Apache, Chipewyan, Hupa, Navaho, Navajo.

Athapascan (noun)	Mattole (noun)
a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)	the Athapaskan language spoken by the Mattole
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	a member of the Athapaskan people living in northwestern California