| Autobusobdach | bus shelter |
| Autoblock | autoblock |
| autologisch | autological |
| Autobus | bus coach motorbus |
| Autobusfahrer | bus driver |
| autoerotisch | autoerotic |
| Autograph | autograph |
| autografisch | autographic |
| automagisch | automagical |
| autotypisch | autotypic |
| tautologisch | tautological |
| Autoabgas | car exhaust |
| Autobahn | motorway freeway highway interstate highway |
| Autobahnbrücke | highway bridge motorway bridge |
| Autobahnmaut | freeway toll motorway toll |
| Autobesitzer | car owner |
| Autobiografie | autobiography |
| Autobombe | car bomb |
| Autodafé | auto-da-fé |
| Autodidakt | autodidact |