Denshi Jisho — Online Japanese dictionary

咎 とが 1: (Usually written using kana alone) error; mistake; fault;
2: (Usually written using kana alone) sin; wrongdoing; offense
Noun 
咎め とがめ blame; censure; rebuke; reproof
Noun 
咎人 とがにん offender; criminal
Noun 
咎める とがめる to blame; to find fault; to challenge; to threaten; to take someone to task; to aggravate (an injury)
Common word, Ichidan verb 
咎め立て とがめだて fault-finding
Noun, Suru verb 

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