Allah in Arabic is the same God in English; in Arabic the word is derived from "Al – elah" i.e. "the god". Christian Arabs also call God Allah; ask them.
God condemns only that man takes another god along with Him. He condemns that man contradicts the Ten Commandments, the First Commandment in particular: that God is One. He also condemns the transgression on others.
call it what you want, I don't consider the western version to be any better. Rape and murder are mainstays of both.