The term 'BACK AGAIN' can be broken down into four crossword solutions: RECUR (5 letters), FRO (3 letters), RETRO (5 letters), and REBORN (6 letters). RECUR means to happen or appear again, usually after a period of time. FRO is an archaic word meaning from or away. RETRO refers to something that is out-of-date or old-fashioned. Finally, REBORN means to be born again or to experience a revival. Together, these words suggest the idea of something returning or being brought back to life.