Yes, score is playable
...and is worth 8 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Score" Definition
noun
A grievance that is harbored and requires satisfaction: settle an old score.
A notch or incision, especially one that is made to keep a tally.
A result, usually expressed numerically, of a test or examination.
verb-transitive
Baseball Sports & Games To cause (a base runner) to cross home plate, especially by getting a hit: scored both runners with a double.
Music To arrange for a specific instrument.
Slang To succeed in acquiring: scored two tickets to the play.
Sports & Games To count or be worth as points: A basket scores two points.
verb-intransitive
Slang To achieve a purpose or advantage, especially to make a surprising gain or coup: "They . . . score in places like the bond market” ( Mike Barnicle).
Slang To succeed in buying or obtaining an illicit drug.
Slang To succeed in seducing someone sexually.
Sports & Games To keep the score of a game or contest.
Sports & Games To make a point in a game or contest.
verb
To keep a record or account of by or as if by notches on a tally.
To mark with significant lines or notches (as in keeping account).
To mark with lines, grooves, scratches, or notches.
To make (a score) in a game or contest.
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.