Here in Texas the brothers of Pi Kappa Alpha are referred to as Pikes or Pi-K-A's, if you think about it the "pi" part sort of runs into the "kappa" part, making the sound "pike"....its an abbreviation using the first 3 letters Pi K (e)  
I guess every frat has their own regional nuances...here the "delts" are brothers of delta tau delta and the "deltas" are the sisters of delta sigma theta.  However, at another school i visited, it was switched.
		 
		
		
		
		
		
		
		
		
	
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