Is Rarer a Scrabble Word?

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

R1
A1
R1
E1
R1

Point Values

Scrabble

5

R1
A1
R1
E1
R1
Words With Friends

5

R1
A1
R1
E1
R1

Dictionary Validity

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