* Cacherie: This is the most literal translation, meaning "hiding" or "concealment." It's often used for a physical act of covering something up.
* Dissimulation: This word implies a more deliberate act of hiding the truth, often with the intention to deceive.
* Couverture: This word means "cover" or "covering" and can be used in the context of a cover-up, but it's not as specific as the other two.
* Étouffement: This word means "stifling" or "suppression," and can be used to describe the act of covering up a scandal or crime.
The best translation will depend on the specific context of your sentence.