P₃E₁R₁M₃I₁A₁N₁

11 points

PERMIAN is validvalid

of or pertaining to a certain geologic time period [adj]

47,655 of 196,601 in NWL2023·also valid in CSW24

relating to the last period of the Palaeozoic era [adj]

177,315 of 280,887 in CSW24·also valid in NWL2023