* ηγεμονία (hegemonia): This refers to leadership or dominance, often in a political or military context. It implies a leading position of power and influence.
* ἡγεμονία (hēgemonía): This is the same word as above, but indicates the *state* or *condition* of leadership or dominance.
* ηγεμών (hēgemōn): This is the noun form meaning "leader," "commander," or "governor." It describes the person holding a leadership position.
* ἄρχων (archōn): This word means "ruler," "governor," or "magistrate." It suggests a more formal and official leadership role.
The best choice depends heavily on the specific type of leadership being discussed.