Is Nulls a Scrabble Word?

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

N1
U1
L1
L1
S1

Point Values

Scrabble

5

N1
U1
L1
L1
S1
Words With Friends

9

N2
U2
L2
L2
S1

Dictionary Validity

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