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The word " assassin " is often believed to derive from the word " hashshashin " ( Arabic : حشّاشين , ħashshāshīyīn , also hashishin , hashashiyyin , or assassins ) , and shares its etymological roots with " hashish " ( or ; from Arabic : " ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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