B₃A₁C₃K₅F₄L₁O₁W₄S₁

23 points

BACKFLOWS is validvalid

BACKFLOW, a flowing back toward a source [n]

90,835 of 196,601 in NWL2023·also valid in CSW24

BACKFLOW, the action of flowing back towards a source [n]

16,694 of 280,887 in CSW24·also valid in NWL2023