Is Cardio a Scrabble Word?

"Cardio" is a valid word in Scrabble, Words With Friends, and most word games.

C3
A1
R1
D2
I1
O1

Point Values

Scrabble

9

C3
A1
R1
D2
I1
O1
Words With Friends

10

C4
A1
R1
D2
I1
O1

Dictionary Validity

SOWPODS
SOWPODS
TWL06
TWL06
CSW21
CSW21
NWL2020
NWL2020
ENABLE
ENABLE1
ENABLE2K
ENABLE2K