| Autodidakt | autodidact |
| autodidaktisch | autodidactic autodidact |
| Autorität | authority |
| Autodafé | auto-da-fé |
| Autodieb | car thief |
| Autodiebin | car thief |
| Autokrat | autocrat |
| Automarkt | car mart |
| Automat | vending machine |
| Autopilot | autopilot automatic pilot |
| autoritär | authoritarian |
| Autoblock | autoblock |
| Autograph | autograph |
| autorisiert | authorized |
| Autist | autist autistic person |
| Autoabgas | car exhaust |
| Autoatlas | road atlas |
| Autobahn | motorway freeway highway interstate highway |
| Autobrücke | road bridge |
| Autocar | bus |