avert vs fend off

avert and fend off both are verbs.

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

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

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

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

avert (verb)	fend off (verb)
turn away or aside	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