Athabascan vs Hupa

Athabascan and Hupa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Athabascan	Yes	No	No	No
Hupa	Yes	No	No	No

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

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

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

Athabascan: 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
Hupa: a member of the Athapaskan people of the Trinity River valley in California

Other hyponyms of Athabascan include Apache, Chipewyan, Mattole, Navaho, Navajo.

Athabascan (noun)	Hupa (noun)
a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)	the Athapaskan language spoken by the Hupa
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 of the Trinity River valley in California