#   Kanji   Kanji Level 5  
720   暴 boo outburst; violent; cruelty 1228
6646 ぼうどう 暴動 boodoo insurrection; rebellion; revolt; riot; uprising 1228
6650 ぼうふう 暴風 boofuu storm; windstorm; gale 1228
6660 ぼうりょく 暴力 booryoku violence, brutal force  
  らんぼう 乱暴 ranboo violence; rude; violent; rough  
           
  あばく 暴く abaku disclose, divulge; expose  
  あばれる 暴れる abareru to act violently; to rage; to struggle; to be riotous