A₁Z₁₀O₁I₁C₃

16 points

AZOIC is validvalid

pertaining to geologic time before the appearance of life [adj]

5,969 of 196,601 in NWL2023·also valid in CSW24

lacking life, esp. of geological period [adj]

16,277 of 280,887 in CSW24·also valid in NWL2023