M₃A₁R₁C₃H₄I₁O₁N₁E₁S₁S₁

18 points

MARCHIONESS is validvalid

the female equivalent or spouse of a marquess [n MARCHIONESSES]

154,515 of 196,601 in NWL2023·also valid in CSW24

the wife or widow of a marquess [n -ES]

141,573 of 280,887 in CSW24·also valid in NWL2023