The Greek that is translated as “chosen by grace” or similar in English is translated as “God had mercy on and chose” in Isthmus Zapotec, as “picked out to worship him because he loves them” in Yatzachi Zapotec, and “God loving very much chose” in Central Tarahumara. (Source: Waterhouse / Parrott in Notes on Translation October 1967, p. 1ff.)