Verses with the word sorrowing in the New Testament (2 verses):

Luke 2:48
And when they saw him, they were amazed: and his mother said unto him, Son, why hast thou thus dealt with us? behold, thy father and I have sought thee sorrowing.

Acts 20:38
Sorrowing most of all for the words which he spake, that they should see his face no more. And they accompanied him unto the ship.