| automagisch | automagical |
| automatisch | automatic automatically |
| autologisch | autological |
| autografisch | autographic |
| autotypisch | autotypic |
| tautologisch | tautological |
| autoerotisch | autoerotic |
| autokratisch | autocratic |
| autolytisch | autolytic |
| ottomanisch | Ottoman |
| aromatisch | aromatic fragrant flavoursome savoury distinctive flavorful |
| axiomatisch | axiomatic unquestionable undeniable |
| asthmatisch | asthmatic |
| Automatik | automatism automatic automatic transmission |
| Automation | automation |
| Automatismus | automatism |
| Automixis | automixis |
| authentisch | authentic |
| autistisch | autistic |
| autodynamisch | autodynamic |