There are nevertheless a number of commonly observed features in Afroasiatic morphology and derivation, including, the use of suffixes, infixes, vowel lengthening and shortening as a morphological change, as well as the use of tone changes to indicate morphology.
ðɛɹˌɑːɹ nˌɛvɚðəlˈɛs ɐ nˈʌmbɚɹ ʌv kˈɑːmənli əbzˈɜːvd fˈiːtʃɚz ɪn ˌæfɹoʊˌeɪsɪˈæɾɪk mɔːɹfˈɑːlədʒi ænd dˌɛɹɪvˈeɪʃən, ɪŋklˈuːdɪŋ, ðə jˈuːs ʌv sˈʌfɪksᵻz, ɪnfˈɪksᵻz, vˈaʊəl lˈɛŋθənɪŋ ænd ʃˈɔːɹʔn̩ɪŋ æz ɐ mˌɔːɹfəlˈɑːdʒɪkəl tʃˈeɪndʒ, æz wˈɛl æz ðə jˈuːs ʌv tˈoʊn tʃˈeɪndʒᵻz tʊ ˈɪndᵻkˌeɪt mɔːɹfˈɑːlədʒi.