The term 'was concerned' can be summarized by the crossword solution 'cared, ' which is a five-letter word. Caring is an emotion that involves feeling empathy and compassion for another person, and it is often expressed through actions such as providing emotional support or physical assistance. It is a common trait among people who are in relationships, as well as those who are in positions of authority or leadership. Caring is also a key component of many professions, such as nursing, teaching, and social work.