[ swefelrēc] m. sulphurous smoke, VPs 107.
swefet = [sweofot]
[ swefeð] pres. 3 sg, of swebban.
[ +swefian] to put to sleep, lull, appease, Æ.
swefl = [swefel]
[ sweflen] sulphurous, of brimstone, AO.
[ sweflennes] (eo1) f. sulphurousness, MF 1233.
[ sweflenrēc] (APs) = [sweflrēc]
[ sweflsweart] sulphurous? WW 4920.