| Altostratus | altostratus |
| Herostratos | Herostratus |
| Autostraße | road motorway |
| Anöstrus | anestrus |
| Zirrostratus | cirrostratus |
| Abtastrate | sampling rate |
| alte Frau | old woman |
| altersgrau | hoary |
| Altarraum | chancel presbytery |
| Altertum | antiquity |
| Altstadt | old town |
| Aerostatik | aerostatics |
| Apostatin | apostate |
| Ostrau | Ostrava |
| Aostatal | Aosta Valley |
| Apostat | apostate |
| Adstrat | adstratum |
| Abstraktum | abstract noun |
| Illustrator | illustrator |
| Registratur | registry |