| Autophagie | autophagocytosis |
| Autophilie | autophilia self-love |
| Aerophagie | aerophagy |
| Urophagie | urophagia |
| Autogamie | autogamy |
| Autografie | autography |
| Autokephalie | autocephaly |
| Autokratie | autocracy |
| Autopsie | autopsy |
| Autozephalie | autocephaly |
| Apophänie | apophenia |
| Gynophagie | vorarephilia |
| Geophagie | geophagia geophagy |
| Autofähre | car ferry |
| Autographie | autography |
| Autohandel | auto trade car market car trade motorcar trade |
| Autohaus | car dealer car dealership |
| Autokarpie | autocarpy |
| Autokralle | wheel clamp |
| Automarke | car brand make of car |