* ἀγάπη (agápē): This word represents a selfless, spiritual love, often associated with divine love or the love between God and humanity. While not a "soulmate" in the romantic sense, it represents a deep and enduring connection.
* ἔρως (éros): This refers to passionate, romantic love, often associated with desire and attraction. Again, not a direct equivalent, but a component of the soulmate idea.
* φίλος (phílos): This means "friend," but in ancient Greece, friendships could be incredibly deep and significant, sometimes involving a level of intimacy and mutual respect that resembles some aspects of a soulmate relationship.
Therefore, you can't find a single Greek word to perfectly capture the modern meaning of "soulmate." You'd need to use a descriptive phrase or perhaps combine elements of the words listed above to convey a similar idea.