kachina vs doll

kachina and doll both are nouns.

Word	Noun	Adjective	Verb	Adverb
kachina	Yes	No	No	No
doll	Yes	No	No	No

As nouns, doll is a hypernym of kachina; that is, doll is a word with a broader meaning than kachina:

kachina: a carved doll wearing the costume of a particular Pueblo spirit; usually presented to a child as a gift
doll: a small replica of a person; used as a toy

Other hypernyms of kachina include dolly.

kachina (noun)	doll (noun)
a carved doll wearing the costume of a particular Pueblo spirit; usually presented to a child as a gift	a small replica of a person; used as a toy
a deified spirit of the Pueblo people	informal terms for a (young) woman
a masked dancer during a Pueblo religious ceremony who is thought to embody some particular spirit