| Automatik | automatism automatic automatic transmission |
| Autoerotik | autoerotism |
| Automat | vending machine |
| Automation | automation |
| Axiomatik | axiom system |
| Autogamie | autogamy |
| Autokratie | autocracy |
| Automarke | car brand make of car |
| Automarkt | car mart |
| Automixis | automixis |
| Automobil | automobile car auto motorcar |
| automobil | automotive |
| Autoplastik | autoplasty |
| Autoradio | car radio automobile radio |
| automatisch | automatic automatically |
| Akrobatik | acrobatic skill acrobatics |
| Autistin | autist |
| Autoblock | autoblock |
| Halbautomatik | semi-automatic |
| automagisch | automagical |