S1U1L1F4U1R1I1E1R1
12 points
SULFURIER is validvalid
SULFURY, resembling sulfur
SULFURY, resembling, or partaking of the nature of, sulphur, also SULPHURY
SULFURY, resembling sulfur
SULFURY, resembling, or partaking of the nature of, sulphur, also SULPHURY