Fúlnes

According to the Old English Dictionary:

fúllnes, fýlnes, -ness, e;

fúlnes

f. FOULNESS, impurity, stench; fœditas, sordes, fætor :-- Fúlnes [fýlnes. Exon. 98 a; Th. 368, 7] eorþan, eal forwisnad foulness of earth, all decayed, Soul Kmbl. 35; Seel. 18. Unarǽfnendlíce fúlnes wæs upp aweallende fætor incompărābĭlis ebulliens ĕrat, Bd. 5, 12; S. 628, 25. fulnes