How do you say excalibur in Greek?
— Εξκάλιμπερ

Generic synonyms for excalibur in Greek
steelχάλυβας (xálivas) (m), ατσάλι (atsáli) (n) (from Medieval Venetian "azzal")
swordξίφος (ksífos) (n), σπαθί (spathí) (n)