Yes, track is playable
...and is worth 12 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Track" Definition
noun
A course of action; a method of proceeding: on the right track for solving the puzzle.
A distinct path, as along a length of film or magnetic tape, on which sound, images, or other information is recorded.
A distinct selection from a sound recording, such as a phonograph record or compact disk, usually containing an individual work or part of a larger work: the title track of an album.
A mark or succession of marks left by something that has passed.
A metal groove or ridge that holds, guides, and reduces friction for a moving device or apparatus.
verb-transitive
To assign (a student) to a curricular track.
To carry on the shoes and deposit: tracked mud on the rug.
To follow the tracks of; trail: tracking game through the forest.
To move over or along; traverse.
verb-intransitive
To follow a course; travel.
To follow the undulations in the groove of a phonograph record. Used of a needle.
To keep a constant distance apart. Used of a pair of wheels.
To move across magnetic heads. Used of magnetic tape.
phrasal-verb
Track down To pursue until found or captured: "When, like a running grave, time tracks you down” ( Dylan Thomas).
verb
To search for by following evidence until found .
To observe or plot the moving path of (as a spacecraft or missile) often instrumentally.
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