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| calamity | 
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| event that brings terrible loss, lasting distress, or severe affliction; disaster; misery | 
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| calm | 
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| freedom from motion, agitation, or disturbance; tranquility; stillness; quiet; serenity | 
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| camaraderie | 
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| good-fellowship; companionship; close friendship in friends or teammates | 
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| cameo | 
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| piece of jewelry; a small scale used as a jewel for adornment; famous actor's special appearance in a minor role in film | 
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| campaign | 
|     | 
| battle ;a series of actions advancing a principle or tending toward a particular end | 
|   New    Known    Review | 
| canny | 
|     | 
| having pleasing or useful qualities; gentle; knowing; cautious; cunning; shrewd |