double achievement

18 LETTERS · STARTS WITH D

double achievement is a valid 18-letter word worth 30 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2O1U1B3L1E1A1C3H4I1E1V4E1M3E1N1T1

2 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 3 + 4 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does double achievement mean?