E₁F₄F₄I₁C₃I₁E₁N₁C₃Y₄

23 points

EFFICIENCY is validvalid

the quality of being efficient [n EFFICIENCIES]

126,916 of 196,601 in NWL2023·also valid in CSW24

the quality of being efficient, also EFFICIENCE [n EFFICIENCIES]

74,784 of 280,887 in CSW24·also valid in NWL2023