proof sheet

11 LETTERS · STARTS WITH P

proof sheet is a valid 11-letter word worth 18 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1O1O1F4S1H4E1E1T1
3 + 1 + 1 + 1 + 4 + 0 + 1 + 4 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does proof sheet mean?

1