A form of long-distance consonant assimilation known as consonant harmony is attested in Berber, Chadic, Cushitic, and Semitic: it usually affects features such as pharyngealization, palatalization, and labialization.
ɐ fˈɔːɹm ʌv lˈɔŋdˈɪstəns kˈɑːnsənənt ɐsˌɪmɪlˈeɪʃən nˈoʊn æz kˈɑːnsənənt hˈɑːɹməni ɪz ɐtˈɛstᵻd ɪn bˈɜːbɚ, tʃˈædɪk, kʊʃˈɪɾɪk, ænd sɛmˈɪɾɪk: ɪt jˈuːʒuːəli ɐfˈɛkts fˈiːtʃɚz sˈʌtʃ ɐz fˌɑːɹɹɪndʒˌiːlᵻzˈeɪʃən, pˌælɐɾəlᵻzˈeɪʃən, ænd lˌeɪbɪəlᵻzˈeɪʃən.