Cushitic does not appear to be related to the written ancient languages known from its area, Meroitic or Old Nubian.
kʊʃˈɪɾɪk dʌznˌɑːt ɐpˈɪɹ təbi ɹᵻlˈeɪɾᵻd tə ðə ɹˈɪʔn̩ ˈeɪntʃənt lˈæŋɡwɪdʒᵻz nˈoʊn fɹʌm ɪts ˈɛɹiə, məɹˈɔɪɾɪk ɔːɹ ˈoʊld nˈuːbiən.