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Denshi Jisho — Online Japanese dictionary

洗いだす あらいだす 1: to reveal something by washing the surface;
2: to bring to light; to reveal by investigation
Godan verb with su ending, Transitive verb 
洗い出す あらいだす 1: to reveal something by washing the surface;
2: to bring to light; to reveal by investigation
Godan verb with su ending, Transitive verb 

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