Fǽr

According to the Old English Dictionary:

fǽr

adj. Sudden, intense, terrible, horrid; sŭbĭtus, terrĭbilis, horrĭdus. Used in the compounds,-Fǽr-bifongen, -bryne, -cóðu, -cwealm, -cýle, -deáþ, -dryre, -fyll, -gripe, -gryre, -haga, -inga, -líc, -líce, -níþ, -sceaða, -scyte, -searo, -slide, -spel, -unga, -wundor, -wyrd. fær