Only in Hiligaynon 1
What this means for learners
AMO and Hiligaynon share 24 sounds — roughly 69% of Hiligaynon's inventory overlaps with AMO. Shared sounds are ones a speaker already knows from their native language and will generally produce and perceive accurately without explicit training.
The 1 sound found only in Hiligaynon represent the greatest pronunciation challenge for AMO 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, AMO has 11 sounds not used in Hiligaynon. Native Hiligaynon speakers learning AMO 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.