S₁E₁X₈C₃E₁N₁T₁E₁N₁A₁R₁I₁E₁S₁

23 points

SEXCENTENARIES is validvalid

SEXCENTENARY, a six-hundredth anniversary [n]

191,628 of 196,601 in NWL2023·also valid in CSW24

SEXCENTENARY, an anniversary recurring every six hundred years [n]

219,750 of 280,887 in CSW24·also valid in NWL2023