| Autokauf | car purchase |
| Autokäufer | car buyer |
| Autohaus | car dealer car dealership |
| Autobahn | motorway freeway highway interstate highway |
| Autobus | bus coach motorbus |
| Autocar | bus |
| Autocue | autocue |
| Autodafé | auto-da-fé |
| Autograf | autograph |
| Autokino | drive-in drive-in cinema drive-in theater |
| Autoklav | autoclave |
| Autokrat | autocrat |
| Automat | vending machine |
| Autonarr | piston head pistonhead |
| Autosave | autosave |
| autogam | autogamous |
| Ämterkauf | simony |
| Ankauf | purchase |
| Auslauf | spout |
| Amoklauf | killing spree |