Tumak language

Tumak, also known as Toumak, Tumag, Tummok, Sara Toumak, Tumac, and Dije, is an Afro-Asiatic language spoken in the southwestern Chadian prefectures of Moyen-Chari and Koumra. Motun (Mod) and Tumak dialects have a lexical similarity of only 70%;^[1] Blench (2006) lists Tumak, Motun, and Mawer as separate languages.^[2] Most Motun speakers use some Sara.^[1]

Tumak
Native to	Chad
Region	Southwest
Native speakers	(25,000 cited 1993 census)[1]
Language family	Afro-Asiatic Chadic East Chadic East Chadic A Sibine (A.1.1) Tumak
Dialects	Tumak Motun Mawer
Language codes
ISO 639-3	tmc
Glottolog	tuma1260

The "Gulei" listed in Greenberg might be a dialect of Tumak.^[3]

Phonology

Consonants^[4]

	Labial	Alveolar	Palatal	Velar	Glottal
Plosive	p b	t d	dʒ	k g
Prenasalized	ᵐb	ⁿd	ⁿdʒ	ᵑg
Implosive	ɓ	ɗ
Fricative		s			h
Nasal	m	n	ɲ	ŋ
Approximant	w	r, ɽ, l	j

Vowels^[4]

	Front	Central	Back
High	i iː		u uː
Mid-high	e eː	ə əː	o oː
Mid-low	ɛ		ɔ ɔː
Low		a aː

Tumak also has two tones;^[4] high and low.