What are 5 words that their own antonym?

Here are 5 words that are their own antonyms, often called "auto-antonyms" or "contronyms":

1. Sanction: Can mean "to approve" or "to punish."

2. Fast: Can mean "moving quickly" or "not eating."

3. Cleave: Can mean "to stick together" or "to split apart."

4. Oversight: Can mean "supervision" or "an error due to lack of attention."

5. Dust: Can mean "to remove dust" or "to apply dust."