| Autowrack | car wreck |
| Autoblock | autoblock |
| Autograph | autograph |
| Autobrücke | road bridge |
| Autograf | autograph |
| Autogramm | autograph |
| Autokrat | autocrat |
| Tautogramm | tautogram |
| Autobahn | motorway freeway highway interstate highway |
| Autocar | bus |
| Autocross | autocross |
| Autocue | autocue |
| Autodafé | auto-da-fé |
| Autodrom | motor-racing circuit dodgems track bumper car dodgem |
| Autoerotik | autoerotism |
| Autografie | autography |
| Autohaus | car dealer car dealership |
| Autokauf | car purchase |
| Autoklav | autoclave |
| Autokralle | wheel clamp |