prop word

9 LETTERS · STARTS WITH P

prop word is a valid 9-letter word worth 16 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1O1P3W4O1R1D2

3 + 1 + 1 + 3 + 0 + 4 + 1 + 1 + 2 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does prop word mean?