Swic
Bosworth & Toller Anglo-Saxon Old English Dictionary - swic
According to the Old English Dictionary:
(swice ?
- swic
- q. v.), es; n. Deception, illusion:--For swicum deóflícum propter illusiones diabolicas, Anglia xiii. 396, 441. [O. H. Ger. á-, bi-swih; pl. -swicha; m.: Icel. svik; n.: Dan. svig fraud, deceit.]