#   Kanji   Kanji Level 3  
398     to suffer; bitter 921
    苦い nigai bitter 2130 921
  にがて 苦手 nigate poor (at), weak (in), dislike (of)  
           
  くるしい 苦しい kurushii painful 1976 921
    苦しめる kurushimeru to agonize  
  くろう 苦労 kuroo troubles; hardships 921 2060
  くつう 苦痛 kutsuu pain, agony