WordNet records no synonym and no antonym for kachina. It is the only member of each of its synsets, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
a masked dancer during a Pueblo religious ceremony who is thought to embody some particular spirit
a deified spirit of the Pueblo people
a carved doll wearing the costume of a particular Pueblo spirit; usually presented to a child as a gift
Synonyms, antonyms and the broader and narrower relations for kachina come from Princeton University’s WordNet. Full sources and licences.