I₁M₃P₃E₁R₁M₃E₁A₁B₃I₁L₁I₁T₁Y₄

25 points

IMPERMEABILITY is validvalid

the quality of being impermeable [n]

189,059 of 196,601 in NWL2023·also valid in CSW24

the state of being impermeable, also IMPERMEABLENESS [n]

117,449 of 280,887 in CSW24·also valid in NWL2023