O₁B₃S₁E₁R₁V₄A₁B₃I₁L₁I₁T₁I₁E₁S₁

22 points

OBSERVABILITIES is validvalid

OBSERVABILITY, the quality of being observable [n]

195,047 of 196,601 in NWL2023·also valid in CSW24

OBSERVABILITY, the state of being observable [n]

162,024 of 280,887 in CSW24·also valid in NWL2023