Rollback vs Refund - What's the difference?

As verbs the difference between rollback and refund

is that rollback is (nonstandard) to roll back while refund is to return (money) to (someone); to reimburse.

is that rollback is a return to a prior state while refund is an amount of money returned.

(en verb)

(nonstandard) To roll back.

(en noun)

A return to a prior state.

A withdrawal of military forces.

(computing) An operation which returns a database, or group of records in a database, to a previous state (normally to the previous commit point).

An event caused by a roller coaster failing to reach the top of a hill.

a form of flatbed truck adapted or designed specifically as a or for transporting other vehicles

* (form of flatbed truck) slide truck

(en verb)

To return (money) to (someone); to reimburse.

A governor, that had pillaged the people, was sentenced to refund what he had wrongfully taken. — L'Estrange.

If you find this computer for sale anywhere at a lower price, we'll refund you the difference.

(obsolete) To supply again with funds.

to refund a railroad loan

(obsolete, rare) To pour back.

Were the humours of the eye tinctured with any colour, they would refund that colour upon the object. — Ray.

(en noun)

An amount of money returned.

If the camera is faulty, you can return it to the store where you bought it for a refund.

* English heteronyms