Yes, surrender 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)
"Surrender" Definition
noun
Law Restoration of an estate.
Law The act of surrendering or of being surrendered to bail.
Law The delivery of a prisoner, fugitive from justice, or other principal in a suit into legal custody.
The act or an instance of surrendering.
The action of yielding one's person or giving up the possession of something especially into the power of another.
verb-transitive
Law To restore (an estate, for example), especially to give up (a lease) before expiration of the term.
To give over or resign (oneself) to something, as to an emotion: surrendered himself to grief.
To give up in favor of another.
To give up or abandon: surrender all hope.
To give up or give back (something that has been granted): surrender a contractual right.
verb-intransitive
To give oneself up, as to an enemy.
verb
To yield to the power, control, or possession of another upon compulsion or demand .
To give up completely or agree to forgo especially in favor of another.
To give (oneself) up into the power of another especially as a prisoner.
To give (oneself) over to something (as an influence).
To give oneself up into the power of another .
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