Here are some examples of words with the suffix "contra":
* Contradict: to speak against or deny
* Contraband: goods that are prohibited from being imported or exported
* Contraception: methods of preventing pregnancy
* Contraindication: a reason why a particular treatment should not be used
* Counterclockwise: in the opposite direction to the hands of a clock
The suffix "contra" often conveys a sense of conflict, opposition, or difference. It can also be used to create words with a negative or opposite meaning.