UPPER CHEHALIS vs Haida
Sound inventory comparison
What this means for learners
UPPER CHEHALIS and Haida share 24 sounds — roughly 48% of Haida's inventory overlaps with UPPER CHEHALIS. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 26 sounds found only in Haida represent the greatest pronunciation challenge for UPPER CHEHALIS 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, UPPER CHEHALIS has 10 sounds not used in Haida. Native Haida speakers learning UPPER CHEHALIS 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.