D₂I₁A₁R₁C₃H₄Y₄

16 points

DIARCHY is validvalid

a government with two rulers [n DIARCHIES] : DIARCHAL [adj]

37,659 of 196,601 in NWL2023·also valid in CSW24

government by two powers, also DINARCHY, DUARCHY, DYARCHY [n DIARCHIES]

64,385 of 280,887 in CSW24·also valid in NWL2023