what've

7 LETTERS · STARTS WITH W

what've is a valid 7-letter word worth 15 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
W4H4A1T1'0V4E1
4 + 4 + 1 + 1 + 0 + 4 + 1 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does what've mean?

1