root chord

10 LETTERS · STARTS WITH R

root chord is a valid 10-letter word worth 15 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1O1O1T1C3H4O1R1D2
1 + 1 + 1 + 1 + 0 + 3 + 4 + 1 + 1 + 2 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does root chord mean?

1