1. Exacerbate: to make worse
2. Exact: to call for and obtain (“exact revenge”)
3. Exaggerate: to overemphasize or overstate
4. Exalt: to glorify or intensify
5. Examine: to inspect, investigate, or scrutinize
6. Exasperate: to aggravate or enrage
7. Excavate: to remove or expose by digging or as if by digging
8. Exceed: to be greater than or to go beyond a limit or normal boundary
9. Except: to keep out or to object
10. Excerpt: to take out or select, especially writing, for other use
11. Exchange: to trade
12. Excise: to remove by cutting or as if by cutting

From 90 Verbs Starting with “Ex-“, Daily Writing Tips. By Sean Wai Keung.