U₁N₁S₁T₁A₁B₃L₁E₁N₁E₁S₁S₁E₁S₁

16 points

UNSTABLENESSES is validvalid

UNSTABLENESS, the quality of being unstable [n]

192,582 of 196,601 in NWL2023·also valid in CSW24

UNSTABLENESS, the state of being unstable [n]

265,339 of 280,887 in CSW24·also valid in NWL2023