Commend or Commit?

And when Jesus had cried with a loud voice, he said, Father, into thy hands I commend my spirit: and having said thus, he gave up the ghost, Luke 23:46. There is a similar verse to our opening verse in the Book of Psalms, Into thine hand I commit my spirit: thou hast redeemed me, O LORD God of truth, Psalm 31:5. If Psalm 31:5 is a prophecy of Luke 23:46 (and it is), then why does the Gospel use…