watchman

NOUN /wɑtʃmən/
8 LETTERS · 2 SYLLABLES · STARTS WITH W

watchman is a valid 8-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
W4A1T1C3H4M3A1N1
4 + 1 + 1 + 3 + 4 + 3 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does watchman mean?