Difference between Fend Off and Obviate

FEND OFF vs OBVIATE: VERB

To ward off; to drive (something) away; to turn away; to defend against; to repel with force or effort.
Prevent the occurrence of; prevent from happening

To bypass a requirement or make it unnecessary; to avoid a future problem or difficult situation.
Prevent the occurrence of; prevent from happening
Do away with

To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary.
To meet in the way.
To keep from happening or render unnecessary. : prevent.

Prevent from happening
Prevent the occurrence of
Get rid of something
To meet half-way, as difficulties or objections; hence, to meet and dispose of; clear out of the way; remove.
To meet.

Crack down, Get rid of, Eke out, Take aim, Clamp down, Shrug off, Lash out, Debar, Obviate, Deflect, Avert, Avoid, Stave off, Head off, Ward off

Circumvent, Sidestep, Prevent, Alleviate, Preclude, Head off, Ward off, Rid of, Fend off, Debar, Deflect, Stave off, Avert, Avoid, Eliminate

Gain ground, Make headway, Crack down, Get rid of, Eke out, Take aim, Clamp down, Shrug off, Lash out, Debar, Obviate, Deflect, Avert, Avoid, Stave off

Remedy, Avoiding, Counteract, Circumvent, Sidestep, Prevent, Preclude, Rid of, Fend off, Debar, Deflect, Stave off, Avert, Avoid, Eliminate

These heavily armored infantrymen can fend off a Sword blow.
Muslim vote and fend off attacks on his leadership.
But it will help fend off his primary challenger.
Witch Doctor fend off the powerful sting of Skorpios?
Soviet democracy, to fend off Russia in the east.
STATE RESISTANCE PREPARATIONS HELP FEND OFF BIGGER THREATS?
It helps your body fend off the virus.
Learn how to fend off foxtails and fleas.
Rambler, rover, stroller, pel, turn aside, fend off, keep off landloper, nomad, traveller, vagrant.
This fact alone shows that there are causes with the power to fend off death, even if not to fend it off permanently.

This, of course, would obviate the rule in MBM Fin.
Do these considerations obviate any UN role in such negotiations?
Care must be taken in reassembly to obviate oil leaks.
SYN: Remove, displace, obviate, oust, recal, neutralize, overrule, suspend, supplant.
Knowledge of the future does not obviate free will.
English does not obviate the need for other languages.
This question helps obviate thematic vagabonding and tunnel vision.
Effective use of rhetorical questions may obviate this problem.
Catalina will obviate the need for an antivirus utility.
Family Services that Obviate Need for Child Placement.