Only in Zuni 30
What this means for learners
Zuni and Chasta Costa share 24 sounds — roughly 44% of Chasta Costa's inventory overlaps with Zuni. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 20 sounds found only in Chasta Costa represent the greatest pronunciation challenge for Zuni speakers. The adult brain tends to map unfamiliar sounds onto the closest native equivalent — a process that produces the characteristic "accent" of a second-language speaker. Learning to hear and produce these sounds as distinct requires focused ear training, not just repetition.
Conversely, Zuni has 30 sounds not used in Chasta Costa. Native Chasta Costa speakers learning Zuni will face the mirror-image challenge with these sounds.
Phoneme inventories from PHOIBLE. Data reflects one documented inventory per language; some variation exists across dialects and sources.