Only in Sandawe 36
What this means for learners
Sandawe and Luganda share 28 sounds — roughly 44% of Luganda's inventory overlaps with Sandawe. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 5 sounds found only in Luganda represent the greatest pronunciation challenge for Sandawe 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, Sandawe has 36 sounds not used in Luganda. Native Luganda speakers learning Sandawe 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.