| Autophilie | autophilia self-love |
| Autophagie | autophagocytosis |
| Autokephalie | autocephaly |
| Autopilot | autopilot automatic pilot |
| Autopoiese | autopoiesis |
| Autopsie | autopsy |
| Autozephalie | autocephaly |
| Anglophilie | Anglophilia |
| Biophilie | biophilia |
| Neophilie | neophilia |
| Russophilie | Russophilia |
| Zoophilie | zoophilia |
| Hämophilie | hemophilia |
| Pädophilie | pedophilia |
| Xenophilie | xenophilia |
| Autogamie | autogamy |
| Autografie | autography |
| Autokarpie | autocarpy |
| Autokralle | wheel clamp |
| Autokratie | autocracy |