| Autoerotismus | autoeroticism autoerotism |
| Automatismus | automatism |
| Autotropismus | autotropism |
| Autoritarismus | authoritarianism |
| autoerotisch | autoerotic |
| Autismus | autism |
| Autoerotik | autoerotism |
| Automobilismus | automobilism |
| Utopismus | utopianism |
| Toryismus | Toryism |
| Patriotismus | patriotism |
| Absolutismus | absolutism |
| Attentismus | attentisme |
| Aktionismus | actionism |
| Alkoholismus | alcoholism |
| Altruismus | altruism |
| Antagonismus | antagonism |
| Antinomismus | antinomianism |
| Aphorismus | aphorism |
| Asterismus | asterism |