fend off vs forfend

fend off and forfend both are verbs.

Word	Noun	Adjective	Verb	Adverb
fend off	No	No	Yes	No
forfend	No	No	Yes	No

As verbs, fend off and forfend are synonyms defined as:

fend off and forfend: prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off

Other synonyms of fend off include avert, avoid, debar, deflect, forefend, head off, obviate, stave off, ward off.

fend off (verb)	forfend (verb)
prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off	prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off