It's not a matter of what they could be, which is glorious, but rather what they are. Before actually going to Scripture, we need to say a little about reading and interpreting Scripture. Such a study is called exegesis and is the term we will use in this and succeeding articles. These original hand-written manuscripts are referred to as original autographs. These are without error.
Some differences are accidental, but many are deliberate.
That is a slippery-slope, heavily influenced by the competence and motivation of the translators. Unless a person is guided by God's Spirit, misstatements are common. Baptists are examples of this group. But even here, where there is an emotional investment in the outcome, all logic goes out the window. Removing cultural aspects from the Bible is also somewhat of a slippery-slope.