Akum is a Plateau language of Cameroon and across the border in Nigeria, where it is known as Shibong.
Phonology
Consonants +Akum ConsonantsLabialCoronalPalatalVelarLabio-velarNasalmnɲŋŋmPlosivebt dc ɟk gkp gbPrenasalizedᵐbⁿdᶮɟᵑɡAffricatets dzFricativefs ʃTrillrApproximantljw Many consonants also have palatalized and labialized variants, but due to a lack of documentation it is unknown whether or not these are phonemic. Only /r/, /b/, /g/, /m/, /n/, and /ŋ/ occur at the end of a syllable, and /ŋ/ only occurs in this position.
Vowels +Akum VowelsFrontCentralBackHigh-midɪʊMidɛəɔLowa /ə/ and /ɛ/ may be allophones.
Tone Akum has three tones: high, mid, and low.
References