proof charge

12 LETTERS · STARTS WITH P

proof charge is a valid 12-letter word worth 22 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1O1O1F4C3H4A1R1G2E1

3 + 1 + 1 + 1 + 4 + 0 + 3 + 4 + 1 + 1 + 2 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does proof charge mean?