The term 'FALLS BACK' can be described by four different crossword solutions: EBBS (4 letters), LAGS (4 letters), RECEDES (7 letters), and REGRESSES (9 letters). EBBS means to gradually decrease or fade away, while LAGS means to move or develop more slowly than others. RECEDES means to move back or retreat, and REGRESSES means to return to a former or less advanced state. All of these words describe the action of falling back, which is the process of retreating or moving away from something.