The term 'Feel Remorse For' can be summarized by two crossword solutions: 'RUE' (3 letters) and 'REPENT' (6 letters). 'RUE' is a verb meaning to feel deep sorrow or regret for something done or experienced in the past. 'REPENT' is a verb meaning to feel regret or remorse for one's past actions and to make a commitment to change one's behavior in the future. Both words imply a sense of regret or sorrow for something that has already happened.