| Autophagozytose | autophagocytosis |
| Phagocytose | phagocytosis |
| Autophagie | autophagocytosis |
| Autohypnose | autohypnosis |
| Autokatalyse | autocatalysis |
| Autopoiese | autopoiesis |
| Phagozyt | phagocyte |
| Pinozytose | pinocytosis |
| Agranulozytose | agranulocytosis |
| Autohaus | car dealer car dealership |
| Autokratie | autocracy |
| Autolyse | autolysis |
| Autophilie | autophilia self-love |
| Autopilot | autopilot automatic pilot |
| Autoplastik | autoplasty |
| Autopoiesis | autopoiesis |
| Autoporträt | self-portrait |
| Autorhythmie | autorhythmicity |
| Autovakzine | autovaccine |
| autokatalytisch | autocatalytic |