Ge'ez language
He translated into Chaldaic the commentaries of Father Toletus on the "Epistles of St. Paul to the Romans" and those of Francis Ribera on the "Epistle of St. Paul to the Hebrews"; the "Canonical Hours", the "Office of the Blessed Virgin Mary", and other works. He is the author of a grammar of the Ethiopic language, and translated into the same tongue the New Testament, a Portuguese catechism, instructions on the Apostles' Creed, and other books of the same nature. Azevedo concentrated on the Ge'ez language, rather than Amharic, since Ge'ez was the language of literacy.