Reluctance among some scholars to recognize Chadic as a branch of Afroasiatic persisted as late as the 1980s.
ɹᵻlˈʌktəns ɐmˌʌŋ sˌʌm skˈɑːlɚz tə ɹˈɛkəɡnˌaɪz tʃˈædɪk æz ɐ bɹˈæntʃ ʌv ˌæfɹoʊˌeɪsɪˈæɾɪk pɚsˈɪstᵻd æz lˈeɪt æz ðə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi z.