Prefixes re-/mis-/pre-

The prefix 're-' means 'again' or 'back'. For example, 'repay' means to pay back.

The prefix 'mis-' means 'wrongly' or 'badly'. For example, 'misplace' means to place something wrongly.

The prefix 'pre-' means 'before'. For example, 'preheat' means to heat something before using it.

An example is 'rename', which means to name again.

An example is 'misunderstand', which means to understand wrongly.

An example is 'pretest', which means a test given before the main test.

To give back money that was borrowed.

To put something in the wrong place.

To heat an oven to the right temperature before cooking.

To give a new name to someone or something.