Swicolness

According to the Old English Dictionary:

e;

swicolness

f. Deceit, fraud, treachery :-- Míne synna ðe ic ge-fremede on mǽnan áðe and swicolnyssæ, Anglia xi. 102, 85. Antecrist lǽrþ unsóðfæstnysse and swicolnesse, Wulfst. 55, 12. swicolness