What's the difference between disburden and unlade?

Disburden

Definition:

(v. t.) To rid of a burden; to free from a load borne or from something oppressive; to unload; to disencumber; to relieve.
(v. i.) To relieve one's self of a burden; to ease the mind.

Example Sentences:

Definition:

(v. t.) To take the load from; to take out the cargo of; as, to unlade a ship or a wagon.
(v. t.) To unload; to remove, or to have removed, as a load or a burden; to discharge.

Example Sentences: