P₃H₄O₁S₁P₃H₄O₁R₁U₁S₁

20 points

PHOSPHORUS is validvalid

the chemical element with atomic number 15 [n PHOSPHORI, PHOSPHORUSES]

136,319 of 196,601 in NWL2023·also valid in CSW24

a chemical element [n PHOSPHORUSES or PHOSPHORI]

179,266 of 280,887 in CSW24·also valid in NWL2023