Yes, flash is playable
					...and is worth 11 points.
			
	
		
		
		
	
	Found in the following dictionaries
	Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Flash" Definition
        noun
        	
		A brief news dispatch or transmission.
		
	 
	
	    	
		A device, such as a flashbulb, flashgun, or flash lamp, used to produce such illumination.
		
	 
	
	    	
	
	    	
		A sudden perception:  a flash of insight.
		
	 
	
	    	
		A sudden, brief, intense display of light.
		
	 
	
			    idiom
        	
		Flash in the pan  One that promises great success but fails.
		
	 
	
			    adjective
        	
		Happening suddenly or very quickly:  flash freezing.
		
	 
	
	    	
		Of or relating to figures of quarterly economic growth released by the government and subject to later revision.
		
	 
	
	    	
		Of or relating to photography using instantaneous illumination.
		
	 
	
	    	
		Of or relating to thieves, swindlers, and underworld figures.
		
	 
	
	    	
		Slang   Ostentatious; showy:  a flash car.
		
	 
	
			    verb-intransitive
        	
		Slang   To expose oneself in an indecent manner.
		
	 
	
	    	
		Slang   To think of or remember something suddenly:  flashed on that time we got caught in the storm.
		
	 
	
	    	
		To appear or occur suddenly:  The image flashed onto the screen.
		
	 
	
	    	
		To burst forth into or as if into flame.
		
	 
	
	    	
		To give off light or be lighted in sudden or intermittent bursts.
		
	 
	
			    verb-transitive
        	
		To cause (light) to appear suddenly or in intermittent bursts.
		
	 
	
	    	
		To cause to burst into flame.
		
	 
	
	    	
		To cause to reflect light from (a surface).
		
	 
	
	    	
		To communicate or display at great speed:  flashed the news to the world capitals.
		
	 
	
	    	
		To cover with a thin protective layer.
		
	 
	
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