You used those minor point to describe the similarity between Islam and that ancient religion. You got the point.
Does this religion you said, that Islam lend the concept of names has the same belief of that Allah is one God?
Yet, do you not find any similarity of the concept TRINITY in other religion? Where a God has a son? Do we not find this concept in ancient religion? Oh we do find it in ancient Egypt.
SAY: HE IS ALLAH THE ONE AND ONLY? ALLAH THE ETERNAL ABSOLUTE; HE BEGETTEN NOT, NOR IS HE BEGOTTEN: AND THERE IS NONE LIKE UNTO HIM (Quran 112: 1- 4)