S1U1L1P3H4U1R1A1T1E1
15 points
SULPHURATE is validvalid
[v SULPHURATED, SULPHURATES, SULPHURATING]
to combine with sulphur, also SULFURATE [v SULPHURATED, SULPHURATING, SULPHURATES]
[v SULPHURATED, SULPHURATES, SULPHURATING]
to combine with sulphur, also SULFURATE [v SULPHURATED, SULPHURATING, SULPHURATES]