No, I just used it in a different sense. When I say that the life force which makes inanimate matter alive (the spirit) does not enter into anything, I'm talking about babies in the womb--real, literal babies and real, literal wombs. The tissue that forms a fetus (or even a zygote) is already alive--it already has spirit--spirit doesn't need to "enter through the fontanel" after the baby is formed but before birth.
When I quoted Genesis 2:7, I was quoting the allegory of God breathing life "into" Adam, which basically is just a way of talking about how the inanimate matter of man (the dust of the earth) is made to be alive. But even if you believe that Adam was a real person and God actually did breathe life into him, surely you would recognize that the creation of Adam, as a full-grown man, would be different from the creation of every other human as a fetus, don't you? God doesn't go around blowing life into every fetus one by one; as I said, they are already alive.
No, you did not state that spirit and soul are the same thing, but you accused ME of doing so (and I quote): "you seem to be mixing spirit with the same idea as soul. in greek, a spirit and soul are not the same thing either." So I was demonstrating to you that I did indeed know the difference.
Maybe we need a refresher here. Spirit is nothing more than the breath of life, the force by which inanimate matter is made alive (Genesis 2:7). Spirit is immortal; its source is God, and it returns to God upon death, when animate matter is made inanimate again (Ecclesiastes 12:7). There is no sense of the individual or "self" in spirit; it is just the force of life.
The soul is the mind (not the brain), which includes your personality, beliefs, memories, thoughts--everything about you that makes you "you." Like bodies, souls are mortal, but can be saved. If they are not, then they will perish in the second death (Revelation 20:14), and everything will be just like before you were born--nonexistence. If your soul is saved, then "you" will live forever in the presence of God.