Yes, freak 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)
"Freak" Definition
noun
A fleck or streak of color.
A sudden capricious turn of mind; a whim: "The freaks of the psyche can no more be explained than the Devil” ( Maurice Collis).
A thing or occurrence that is markedly unusual or irregular: A freak of nature produced the midsummer snow.
An abnormally formed organism, especially a person or animal regarded as a curiosity or monstrosity.
Slang A drug user or addict: a speed freak.
verb
To make greatly distressed, astonished, or discomposed .
To put under the influence of a psychedelic drug .
To withdraw from reality especially by taking drugs .
To experience nightmarish hallucinations as a result of taking drugs .
To behave irrationally or unconventionally under the influence of drugs .
adjective
Highly unusual or irregular: a freak accident; a freak storm.
Having the character of a freak .
verb-transitive
Slang To become or cause to become greatly excited or upset. Often used with out.
Slang To behave or cause to behave irrationally and uncontrollably. Often used with out.
Slang To experience or cause to experience frightening hallucinations or feelings of paranoia, especially as a result of taking a drug. Often used with out.
To speckle or streak with color: "the white Pink, and the Pansy freaked with jet” ( John Milton).
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