Only in Lak 58
What this means for learners
Lak and Kunimaipa share 11 sounds — roughly 16% of Kunimaipa's inventory overlaps with Lak. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 9 sounds found only in Kunimaipa represent the greatest pronunciation challenge for Lak 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, Lak has 58 sounds not used in Kunimaipa. Native Kunimaipa speakers learning Lak 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.