Yes, sell is playable
...and is worth 6 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Sell" Definition
noun
Slang A deception; a hoax.
Something that sells or gains acceptance in a particular way: Their program to raise taxes will be a difficult sell.
The activity or method of selling.
The act or an instance of .
phrasal-verb
Sell off To get rid of by selling, often at reduced prices.
verb-intransitive
To attract prospective buyers; be popular on the market: an item that sells well.
To be approved of; gain acceptance.
To be sold or be on sale: Grapes are selling high this season.
To exchange ownership for money or its equivalent; engage in selling.
verb-transitive
To be purchased in (a certain quantity); achieve sales of: a book that sold a million copies.
To bring about or encourage sales of; promote: Good publicity sold the product.
To cause to be accepted; advocate successfully: We sold the proposal to the school committee.
To exchange or deliver for money or its equivalent.
To persuade (another) to recognize the worth or desirability of something: They sold me on the idea.
verb
To deliver or give up in violation of duty, trust, or loyalty and especially for personal gain .
To give up (property) to another for something of value (as money).
To give up in return for something else especially foolishly or dishonorably .
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