| Autozytotoxin | autocytotoxin |
| Autotoxin | autotoxin |
| Zytotoxin | cytotoxin |
| Autobatterie | car battery |
| Autoerotik | autoerotism |
| Automation | automation |
| Autotomie | autotomy |
| Autozoom | autozoom |
| Autökologie | autecology physiological ecology |
| autochthon | autochthonous |
| autoritativ | authoritative |
| autostoppen | hitchhike |
| Mykotoxin | mycotoxin |
| Autistin | autist |
| Autoantonym | contranym |
| Autofiktion | autofiction |
| Autokolonne | motorcade |
| Autoscooter | bumper car |
| Autochthoner | autochthon |
| Autodiebin | car thief |