S1U1L1P3H4U1R1
12 points
SULPHUR is validvalid
to sulfur [v SULPHURED, SULPHURING, SULPHURS]
a non metallic element [n -S] / to treat with sulphur, also SULFUR [v -ED, -ING, -S]
to sulfur [v SULPHURED, SULPHURING, SULPHURS]
a non metallic element [n -S] / to treat with sulphur, also SULFUR [v -ED, -ING, -S]