B₃A₁C₃K₅W₄A₁S₁H₄

22 points

BACKWASH is validvalid

to spray water backward [v BACKWASHED, BACKWASHES, BACKWASHING]

58,923 of 196,601 in NWL2023·also valid in CSW24

to affect with receding water [v -ED, -ING, -ES]

16,942 of 280,887 in CSW24·also valid in NWL2023