postfixes

9 LETTERS · STARTS WITH P

postfixes is a valid 9-letter word worth 21 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3O1S1T1F4I1X8E1S1
3 + 1 + 1 + 1 + 4 + 1 + 8 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does postfixes mean?

1

A valid word accepted in tournament Scrabble and Words With Friends play.