bonus system

12 LETTERS · STARTS WITH B

bonus system is a valid 12-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3O1N1U1S1S1Y4S1T1E1M3
3 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does bonus system mean?

1