The term 'be remorseful' can be expressed in two words: 'RUE' and 'REPENT'. 'RUE' is a three-letter word meaning to feel deep regret or sorrow for something done or experienced. 'REPENT' is a six-letter word meaning to feel regret or contrition for one's past actions and to make a sincere resolution to change one's behavior in the future. Together, these two words express the idea of being remorseful, which is the feeling of deep regret or sorrow for something done or experienced.