Yes, talk 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)
"Talk" Definition
noun
A conference or negotiation. Often used in the plural: peace talks.
A particular manner of speech: baby talk; honeyed talk.
A subject of conversation: a musical that is the talk of the town.
An exchange of ideas or opinions; a conversation.
verb-intransitive
Informal To be efficacious: Money talks.
To allude to something: Are you talking about last week?.
To articulate words: The baby can talk.
To consult or confer with someone: I talked with the doctor.
To converse by means of spoken language: We talked for hours. See Synonyms at speak.
phrasal-verb
Talk around To persuade: I talked them around to my point of view.
Talk around To speak indirectly about: talked around the subject but never got to the point.
Talk at To address orally with no regard for or interest in a reaction or response.
Talk back To make a belligerent response: heavy guns talking back.
Talk back To make an impertinent or insolent reply.
idiom
Talk big Informal To brag.
Talk sense To speak rationally and coherently.
verb-transitive
To articulate (words): The baby is talking sentences now.
To gain, influence, or bring into a specified state by talking: talked me into coming; talked their way out of trouble.
To give expression to in words: talk treason.
To speak of or discuss (something): talk music; talk business;.
To speak or know how to speak in (an idiom or language): talked French with the flight crew.
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