D2E1S1U1L1F4U1R1I1S1I1N1G2
18 points
DESULFURISING is validvalid
DESULFURISE, to desulfurize [v]
DESULFURISE, to remove the sulfur from a compound, also DESULFURIZE, DESULPHURISE, DESULPHURIZE [v]
DESULFURISE, to desulfurize [v]
DESULFURISE, to remove the sulfur from a compound, also DESULFURIZE, DESULPHURISE, DESULPHURIZE [v]