Cities and towns; Christian converts; Byzantine Empire; Greek language; Coptic language; Copts; Persecution; Politics; Roman Empire; Arab Conquest of Egypt; Arabic language; Monasteries; Coptic Church; Muslim converts from Christianity;
Bishops; Nestorius, Patriarch of Constantinople, fl. 428; Nestorians; Cyril, of Alexandria, Saint, ca. 370-444; Council of Ephesus (431); Latin language; Greek language; Letters; Manuscripts; Coptic language; Rome (Italy)
Coptic language; Coptic language - Dialects; Coptic language - Sahidic dialect; Phonology; Morphology; Nile River; Orthography and spelling; Linguistics; Migration and diversity