You have an incredibly interesting point, but the only problem is that the other religions have different religious books with completely different teachings and beliefs. It's very possible that he could have created other names, but ultimately no matter the language, it all would have translated to "God", in which many cases it does. But I don't think that story works. Here is something rather compelling and very enlightening to read incase you wanted further information and commentary on the topic you brought up. http://hermeneutics.stackexchange.com/questions/5927/why-does-god-scatter-the-people-in-genesis-11