COMPOUND WORDS 
subtle | {adj} | (cleverly contrived) | subtle | {adj} | (cunning, skillful) | subtle | {adj} | (hard to grasp) | subtle | {adj} | subtil | subtleness | {n} | (property of being subtle) | subtlety | {n} | (quality or act of being subtle) 
   5000 WORDS 
 | L048 | P1753 | subtle | fein | 精致的 
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