false friend

12 LETTERS · STARTS WITH F

false friend is a valid 12-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4A1L1S1E1F4R1I1E1N1D2
4 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 2 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does false friend mean?

1