* παράδειγμα (paradeigma): This is probably the closest and most common translation. It implies a model or illustration.
* δείγμα (deigma): This means "sample" or "specimen," and is suitable when referring to a physical example.
* τύπος (typos): This means "type" or "model," and works well when the example represents a category or class.
The best choice will depend on the specific nuance you want to convey.