U₁N₁C₃H₄A₁N₁G₂E₁A₁B₃L₁E₁

20 points

UNCHANGEABLE is validvalid

not changeable [adj] : UNCHANGEABILITY [n], UNCHANGEABLY [adv]

176,518 of 196,601 in NWL2023·also valid in CSW24

not changing or to be changed [adj UNCHANGEABLY]

259,730 of 280,887 in CSW24·also valid in NWL2023