S₁I₁D₂E₁D₂N₁E₁S₁S₁

11 points

SIDEDNESS is validvalid

the quality of being sided [n SIDEDNESSES]

113,873 of 196,601 in NWL2023·also valid in CSW24

the quality of having a certain number of sides [n -ES]

222,564 of 280,887 in CSW24·also valid in NWL2023