* Δράση (drási): This is the most common and general word for "action," often referring to a course of action, activity, or operation.
* Πράξη (práxi): This word emphasizes a deed, act, or specific action, often with a more formal or deliberate connotation.
* Ενέργεια (enérgeia): This translates to "energy" or "activity," and can be used to describe action, especially in a physical or energetic sense.
* Κίνηση (kíni̱si): This means "movement" or "motion," and can be used for action involving physical movement.
The best word to use will depend on the specific nuance you want to convey. For most general uses, δράση (drási) is a safe and accurate choice.