Unbear vs Ungear - What's the difference?

In lang=en terms the difference between unbear and ungear

is that unbear is to remove or loose the bearing rein of (a horse) while ungear is to throw out of gear.

is that unbear is to remove or loose the bearing rein of (a horse) while ungear is to strip of gear; to unharness.

To remove or loose the bearing rein of (a horse).

(Webster 1913)

(en verb)

To strip of gear; to unharness.

To throw out of gear.

(Webster 1913)