E₁F₄F₄E₁C₃T₁I₁V₄I₁T₁Y₄

25 points

EFFECTIVITY is validvalid

the quality of being effective [n EFFECTIVITIES]

150,220 of 196,601 in NWL2023·also valid in CSW24

the state of being effective [n EFFECTIVITIES]

74,709 of 280,887 in CSW24·also valid in NWL2023