combination rate

16 LETTERS · STARTS WITH C

combination rate is a valid 16-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1M3B3I1N1A1T1I1O1N1R1A1T1E1

3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does combination rate mean?