Oko (ɔ̀kɔ́), also known as Ogori-Magongo and Oko-Eni-Osayin, is a dialect cluster spoken in Nigeria. It appears to form a branch of the "Nupe–Oko–Idoma" group of Niger–Congo languages. Most Oko speakers also speak Yoruba as a second language. The language is spoken in and around the towns of Ogori and Magongo in southwestern Kogi State, close to the Ondo and Edo state borders.

Classification

Oko is one of the Volta–Niger languages. An automated computational analysis (ASJP 4) by Müller et al. (2013) grouped Oko within the Idomoid languages.

Distribution

According to Ethnologue, Oko is spoken in:

Varieties

Oko is a dialect cluster consisting of (Ethnologue): Below is a list of Ọkọ–Eni–Ọsayin language cluster names, populations, and locations from Blench (2019).

Phonology

Consonants

Vowels

Each vowel also has a nasal equivalent.