P₃E₁R₁O₁X₈Y₄

18 points

PEROXY is validvalid

containing a bivalent group of two oxygen atoms [adj]

25,371 of 196,601 in NWL2023·also valid in CSW24

containing the bivalent group of two oxygens, also PEROXO [adj]

177,434 of 280,887 in CSW24·also valid in NWL2023