| Autoxidation | autoxidation |
| Autorisation | authorisation authorization |
| Luftoxidation | air oxidation |
| Autofiktion | autofiction |
| Automation | automation |
| Fettoxidation | fat oxidation |
| Intoxikation | intoxication |
| Oxidation | oxidation |
| Autodigestion | autodigestion |
| autoritativ | authoritative |
| Obnoxiation | debt bondage |
| Photooxidation | photooxidation |
| Oxydation | oxidation |
| Antizipation | anticipation |
| Assoziation | association |
| Mutilation | mutilation |
| Autistin | autist |
| autodidaktisch | autodidactic autodidact |
| Autodidakt | autodidact |
| Autodiebin | car thief |