B3A1C3K5C3R1O1S1S1E1S1
21 points
BACKCROSSES is validvalid
BACKCROSS, to breed a hybrid with something similar to its parent [v]
BACKCROSS, a cross between a hybrid and a parent [n]
BACKCROSS, to breed a hybrid with something similar to its parent [v]
BACKCROSS, a cross between a hybrid and a parent [n]