C3A1R1B3U1R1E1T1I1N1G2
16 points
CARBURETING is validvalid
CARBURET, to combine chemically with carbon [v]
CARBURET, to combine with carbon, also CARBURATE [v]
CARBURET, to combine chemically with carbon [v]
CARBURET, to combine with carbon, also CARBURATE [v]