| Autotypie | autotypy |
| Autotomie | autotomy |
| autotypisch | autotypic |
| Autogamie | autogamy |
| Autokarpie | autocarpy |
| Autolyse | autolysis |
| Autonomie | autonomy |
| Autopsie | autopsy |
| Autoskopie | autolaryngoscopy autoscopy |
| Autotoxin | autotoxin |
| Autotrophie | autotrophy |
| Utopie | utopia |
| Atopie | atopy |
| Autarkie | autarky self-sufficiency |
| Autobombe | car bomb |
| Autodieb | car thief |
| Autoerotik | autoerotism |
| Autofähre | car ferry |
| Autografie | autography |
| Autographie | autography |