| Altertumskunde | archaeology |
| Altertum | antiquity |
| altertümlich | ancient |
| Bakterienkunde | bacteriology |
| Sternkunde | astronomy |
| Sterbeurkunde | death certificate |
| Sternstunde | moment of glory |
| Viertelstunde | quarter of an hour fourth |
| Fließkunde | rheology |
| Meereskunde | oceanography |
| Ackerbaukunde | agronomy |
| Algenkunde | algology |
| Amperesekunde | coulomb |
| Amperestunde | ampere-hour |
| Autogrammstunde | autograph session autographing session |
| Altersgruppe | age group |
| alter Gauner | buzzard |
| alter Mann | old man |
| alternd | aging |
| Altersgrenze | age limit retirement age |