Reprieve vs Adjourn - What's the difference?

In transitive terms the difference between reprieve and adjourn

is that reprieve is to bring relief to someone while adjourn is to defer; to put off temporarily or indefinitely.

is the cancellation or postponement of a punishment.

(repriev)

To cancel or postpone the punishment of someone, especially an execution.

To bring relief to someone.

* South

Company may reprieve a man from his melancholy, yet it cannot secure him from his conscience.

(obsolete) To take back to prison (in lieu of execution).

* reprieval

(en noun)

The cancellation or postponement of a punishment.

A document authorizing such an action.

Relief from pain etc., especially temporary.

(en verb)

To postpone.

The trial was adjourned for a week.

To defer; to put off temporarily or indefinitely.

* Barrow

It is a common practice to adjourn the reformation of their lives to a further time.

To end or suspend an event.

The court will adjourn for lunch.

(intransitive, formal, uncommon) To move from one place to another.

After the dinner, we will adjourn to the bar.