work upon

9 LETTERS · STARTS WITH W

work upon is a valid 9-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

W4O1R1K5U1P3O1N1

4 + 1 + 1 + 5 + 0 + 1 + 3 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does work upon mean?