U₁N₁F₄O₁R₁G₂E₁T₁T₁A₁B₃L₁E₁

19 points

UNFORGETTABLE is validvalid

not forgettable [adj] : UNFORGETTABLY [adv]

186,234 of 196,601 in NWL2023·also valid in CSW24

incapable of being forgotten [adj UNFORGETTABLY]

261,989 of 280,887 in CSW24·also valid in NWL2023