 
  
  
  
  
  
  
  
  
   
  
CORE WORDS
 
  
  COMPOUND WORDS 
haystack | {n} | (a mound, pile, or stack of stored hay) | needle in a haystack | {n} | (idiomatic) | smokestack | {n} | (a conduit or group of conduits atop a structure allowing smoke to flow out) | stack | {n} | (a pile of identical objects) | stack | {n} | (computing: data structure) 
   5000 WORDS 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   PHRASES
 
 |