M₃I₁L₁L₁E₁N₁N₁I₁U₁M₃

14 points

MILLENNIUM is validvalid

a period of a thousand years [n MILLENNIA, MILLENNIUMS]

133,183 of 196,601 in NWL2023·also valid in CSW24

(Latin) a period of one thousand years [n MILLENNIA or MILLENNIUMS]

147,040 of 280,887 in CSW24·also valid in NWL2023