Untie vs Unbuckle - What's the difference?

In lang=en terms the difference between untie and unbuckle

is that untie is to become untied or loosed while unbuckle is to unfasten.

is that untie is to loosen, as something interlaced or knotted; to disengage the parts of while unbuckle is to unfasten.

To loosen, as something interlaced or knotted; to disengage the parts of.

to untie a knot

* (rfdate), Waller:

Sacharissa's captive fain / Would untie his iron chain.

To free from fastening or from restraint; to let loose; to unbind.

* Shakespeare, Macbeth , act 4, scene 1:

Though you untie the winds, and let them fight / Against the churches.

* (rfdate), Jeremy Taylor:

All the evils of an untied tongue we put upon the accounts of drunkenness.

To resolve; to unfold; to clear.

* (rfdate), Denham:

They quicken sloth, perplexities untie .

To become untied or loosed.

* tie

(unbuckl)

to unfasten