| Autoantikörper | autoantibody |
| Antikörper | antibody antigen-antibody complex antiphospholipid antibodies immune complex |
| Autostopper | hitch-hiker |
| Autoantonym | contranym |
| Autolackierer | painter |
| Autotransporter | auto transport truck |
| Autochthoner | autochthon |
| Autoskooter | bumper car dodgem |
| autostoppen | hitchhike |
| Kuhantilope | hartebeest |
| ausantworten | hand over |
| Resonanzkörper | sound box |
| Textkörper | body text |
| Autorennfahrer | race car driver |
| Autoscooter | bumper car |
| Autobatterie | car battery |
| Autobesitzer | car owner |
| Autobusfahrer | bus driver |
| Autoerotik | autoerotism |
| Autofahrer | motorist driver car driver |