* δύναμις (dýnamis): This is the most common and versatile word. It can refer to physical strength, ability, potential, or political power. It's often a good default choice.
* ισχύς (ischýs): This word emphasizes strength and force, particularly physical power or the capacity to act effectively.
* εξουσία (exousía): This refers to authority, power over others, dominion, or official power. It's often used in a political or governmental context.
* κράτος (krátōs): This means "rule," "power," or "sovereignty," often referring to governmental power or the power of a ruler.
To choose the best word, consider what kind of power you're referring to.