Almost pure or pure? Let's take a look...
Psalm 12:6 The words of the LORD are pure words: as silver tried in a furnace of earth, purified seven times.
God didn't inspire His word, to give us His "almost pure" words. Rather, God inspired His word, to give us His "pure" word -- 100% pure, without any percentage of error.
Psalms 12:6 helps us understand that the original autographs were inspired by God and without error.
But what about the non-original autographs? Are they almost pure or pure? Let's take a look...
Psalm 12:7 Thou shalt keep them, O LORD, thou shalt preserve them from this generation for ever.
The non-originals would be considered a copy. To be clear, a copy is anything that comes after an original autograph.
Psalms 12:7 helps us understand that God took it upon Himself to keep and preserve that which He originally inspired. In doing so, it's absolutely reasonable to believe that God could give us a copy of His preserved, pure word without any errors at all.
The LORD kept His promise to keep His word.
It's only unreasonable to believe that God could preserve His word in English, IF you're trusting in a group of scholars, scribes, or translators.
However, if you're trusting in God, as the copier and keeper of His word, then it's 100% reasonable to believe God preserved His word in English.
I'm reading His preserved word in English this morning, in the Authorized King James Bible.