The term 'SOUND AGAIN' can be solved by the crossword solutions CURED (5 letters), ECHO (4 letters), BETTER (6 letters), and HEALED (6 letters). Cured means to have been healed or treated of an illness, while ECHO is a sound that is repeated after it is produced. BETTER is an adjective meaning superior in quality or excellence, and healed is the past tense of heal, which means to make or become sound or healthy again. Together, these words suggest that something has been made sound again, or restored to its original state.