Chasta Costa vs Salish
Sound inventory comparison
What this means for learners
Chasta Costa and Salish share 24 sounds — roughly 55% of Salish's inventory overlaps with Chasta Costa. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 19 sounds found only in Salish represent the greatest pronunciation challenge for Chasta Costa 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, Chasta Costa has 20 sounds not used in Salish. Native Salish speakers learning Chasta Costa 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.