| Under- | sous- (insuffisant) — underpaid = sous-payé | The sector is chronically underfunded. |
| Over- | sur- (excessif) — overworked = surmené | She completely overworked herself before the deadline. |
| Mis- | mal- (incorrectement) — misunderstand = mal comprendre | The public was misled about emissions data. |
| Re- | re- (à nouveau) — rebuild = reconstruire | Workers must be retrained as automation advances. |
| Pre- | pré- (avant) — prepay = payer d’avance | A preventive approach is better than a reactive one. |
| Out- | sur- (dépasser les autres) — outperform = surpasser | The green economy outperformed all expectations. |
| Inter- | inter- (entre) — international = entre les nations | Digital tools allow communities to interact across borders. |
| Dis- | dé-/dis- (contraire) — disagree = ne pas être d’accord | There is a clear disadvantage to relying on fossil fuels. |
| Mismanage | mal gérer — gérer de façon incompétente | The funds were clearly mismanaged. |
| Overrated | surestimé, surcoté — qui ne mérite pas sa réputation | Many critics say the film is overrated. |
| Underestimate | sous-estimer — croire moindre que la réalité | Don't underestimate how long the project will take. |
| Counteract | contrer, neutraliser — agir contre des effets nocifs | The drug is used to counteract the effects of the venom. |