Isoko language

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Region Nigeria
Ethnicity Isoko
Native speakers
420,000 (2001)[1]
Language codes
ISO 639-3 iso
Glottolog isok1239[2]

The Isoko language is spoken in the Southern Part of Nigeria precisely in Delta State Nigeria, by the Isoko people. It is regarded as a dialect of the neighbouring Urhobo language.

Michael A. Marioghae, working with Peter Ladefoged in 1962, made one of a few audio recordings of sample Isoko words that are made available at the UCLA phonetics archive.[3]


The Isoko vowel system is hardly reduced from that reconstructed for proto-Edoid. There are nine vowels in two harmonic sets, /i e a o u/ and /ɪ ɛ a ɔ ʊ/.[4]


  1. ^ Isoko at Ethnologue (18th ed., 2015)
  2. ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2016). "Isoko". Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 
  3. ^ Isoko audio word-list
  4. ^ Archangeli & Pulleyblank, 1994. Grounded phonology, p 181ff

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