F₄I₁L₁I₁S₁T₁E₁R₁

11 points

FILISTER is validvalid

a groove on a window frame [n FILISTERS]

67,233 of 196,601 in NWL2023·also valid in CSW24

a groove on a window frame, also FILLESTER, FILLISTER [n -S]

88,438 of 280,887 in CSW24·also valid in NWL2023