εἷς οἰωνὸς ἄριστος, ἀμύνεσθαι περὶ πάτρης → the best goal is defending your country
ἀκάμας, ἀκάματος, ἀκαμαντοπόδας, ἀκοπίαστος, ἀμόγητος, ἀμόχθητος, ἀναπαύδητος, ἀτειρήεις, ἀτειρής, ἀτηρής, ἄκαμνος, ἄκμητος, ἄτρυτος