Difference between Obviate and Deflect

OBVIATE vs DEFLECT: VERB

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

To turn aside; to deviate from a right or a horizontal line, or from a proper position, course or direction; to swerve.

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

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

To turn away or aside; deviate from a true course or a right line; swerve.
Prevent the occurrence of
Prevent from happening
To cause to turn aside; turn or bend from a right line or a regular course.
(intransitive; transitive verb) To turn aside or cause to turn aside; bend or deviate.

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

Draw away, Turn away, Head off, Ward off, Fend off, Debar, Deviate, Block, Bend, Obviate, Stave off, Avert, Avoid, Parry, Distract

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

Redirect, Divert, Turn away, Draw away, Fend off, Debar, Deviate, Block, Bend, Obviate, Stave off, Avert, Avoid, Parry, Distract

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.

Denies access to protect prayers and deflect curses.
It helps deflect squawking when passing merchandise stands.
All types of structures deflect to some extent.
Sometimes, you can deflect verbal abuse with humor.
Such claims deflect most of the truth however.
Use philosophies and stock sayings to deflect others.
Espy attempted to deflect scrutiny of his actions.
Did you know beast roar can deflect projectiles?
You can just kind of deflect, you can deflect the questions onto other people.
Once per round deflect a projectile that would normally hit you with your shield, as per the feat deflect arrows.