Yes, split is playable
...and is worth 9 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Split" Definition
noun
A bottle of an alcoholic or carbonated beverage half the usual size.
A breach or rupture in a group.
A dessert of sliced fruit, ice cream, and toppings.
A drink of half the usual quantity.
adjective
Fissured longitudinally; cleft.
Having been divided or separated.
Having been split. Used of stocks.
Quoted in 16ths rather than in 8ths. Used of stocks.
verb-intransitive
Informal To become divided or part company as a result of discord or disagreement: She split with the regular party organization. They split up after a year of marriage.
Slang To depart; leave: All the older kids have split to go dancing.
To become broken or ripped apart, especially from internal pressure.
To become separated into parts, especially to undergo lengthwise division.
To divide or share something with others.
verb-transitive
Slang To depart from; leave: a mobster who suddenly split town.
Sports To win half the games of (a series or double-header).
To affect with force in a way that suggests tearing apart: A lightning bolt split the night sky.
To break, burst, or rip apart with force; rend. See Synonyms at break.
To divide (stock) by issuing multiples of the existing stock with a corresponding reduction in the price of each share, so that the total value of the stock is unchanged.
idiom
Split hairs To see or make trivial distinctions; quibble.
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