Yuma vs Hoka

Yuma and Hoka both are nouns.

Word	Noun	Adjective	Verb	Adverb
Yuma	Yes	No	No	No
Hoka	Yes	No	No	No

As nouns, Hoka is a hypernym of Yuma; that is, Hoka is a word with a broader meaning than Yuma:

Yuma: a member of the North American Indian people of Arizona and adjacent Mexico and California
Hoka: a member of a North American Indian people speaking one of the Hokan languages

Other hypernyms of Yuma include Hokan.

Yuma (noun)	Hoka (noun)
the Yuman language spoken by the Yuma	a family of Amerindian languages spoken in California
a town in southwestern Arizona on the Colorado River and the California border	a member of a North American Indian people speaking one of the Hokan languages
a member of the North American Indian people of Arizona and adjacent Mexico and California