The word is the same. By fearing God, you put a cap on your own reason. You submit fully to Him, losing any intellectual individuality. As Clarence Darrow wrote, "The fear of God is not the beginning of wisdom. The fear of God is the death of wisdom." Believe in Him if you want, but stay your own person and think for yourself.
You and Clarence Darrow couldn't be more wrong if you tried. C.S. Lewis said when you give yourself to God, He gives you back to yourself, only better. There are quite a few Christian philosophers like Lewis who could put paid to Clarence Darrow's puny vision.
And the word is not the same, unless you want to challenge every English lexicographer on it.