Yarukan Chadi suna kafa reshe na dangin yare na Afroasiatic . Ana magana da su a sassan Sahel. Sun haɗa da harsuna 150 da ake magana da su a arewacin Nijeriya, da kudancin Nijar, da kudancin Chadi, da Jamhuriyar Afirka ta Tsakiya, da arewacin Kamaru. Harshe Chadic wanda akafi magana da shi shine harshen Hausa, babban harshen tarayyar al'umma na da yawa daga mutanen gabashi da Yammacin Afrika . Newman (1977) ya rarraba harsunan zuwa rukunoni huɗu waɗanda aka yarda da su a cikin dukkan wallafe-wallafe masu zuwa. Subarin ƙaddamar da yanki, duk da haka, bai kasance mai ƙarfi ba; Blench (2006), misali, kawai yana karɓar rabe-raben A / B na Gabashin Chadi. An kara Kujargé daga Blench (2008), wanda ke ba da shawarar Kujargé na iya rabuwa kafin ɓarnatar da Proto-Chadic sannan daga baya ya sami tasiri daga Gabashin Chadi. Aiki na gaba da Lovestrand yayi jayayya da ƙarfi cewa Kujarge memba ne na Gabashin Chadi. Sanya Luri a matsayin farkon raba yankin Yammacin Chadi kuskure ne. Caron (2004) ya nuna cewa wannan yaren shine a Kudancin Bauchi kuma da wani ɓangare ne na tarin Polci.