Yonggom is one of the Ok languages of West Papua and Papua New Guinea. It is very close to North Muyu, which is also called 'Yonggom'.

Phonology

Consonants

• /b, d/ can become fricatives [β, ð] intervocalically in fast speech.
• /k/ can be heard as a fricative [ɣ] in fast speech.
• /ɾ/ becomes [l] in word-initial position.
• /j/ is heard as an affricate [dʒ] when following a plosive.

Vowels

• /i/ becomes [ɪ] when before /s/ or a word-final /n/.
• /ɛ/ becomes more close as [e] when before a sonorant back consonant.^[2]