U₁N₁A₁C₃C₃E₁P₃T₁A₁B₃L₁E₁

20 points

UNACCEPTABLE is validvalid

not acceptable [adj] : UNACCEPTABILITY [n], UNACCEPTABLY [adv]

176,461 of 196,601 in NWL2023·also valid in CSW24

not acceptable [adj UNACCEPTABLY]

258,818 of 280,887 in CSW24·also valid in NWL2023