| Automobilismus | automobilism |
| Autoerotismus | autoeroticism autoerotism |
| Automatismus | automatism |
| Automobil | automobile car auto motorcar |
| automobil | automotive |
| Automobilsport | motor sport |
| Autoritarismus | authoritarianism |
| Autotropismus | autotropism |
| Alkoholismus | alcoholism |
| Autokannibalismus | autocannibalism |
| Autismus | autism |
| Automixis | automixis |
| Automobilindustrie | car industry |
| Autopoiesis | autopoiesis |
| Utopismus | utopianism |
| Homomorphismus | homomorphism |
| Isomorphismus | isomorphism |
| Aktualismus | actualism |
| Antikolonialismus | anticolonialism |
| Globalismus | globalism |