| Astronautik | astronautics |
| Astronautin | female astronaut |
| Astronaut | astronaut |
| Aeronautin | aeronaut |
| Astronomin | astronomer |
| Astrodynamik | astrodynamics |
| Astronomie | astronomy |
| Astrophysik | astrophysics |
| Aeronaut | aeronaut |
| Argonautin | Argonaut |
| Automatik | automatism automatic automatic transmission |
| Akrobatik | acrobatic skill acrobatics |
| Astatin | astatine |
| Astronomus | astronomer |
| Astrozyt | astrocyte |
| Gastronomin | restaurateur |
| Scholastik | scholasticism |
| Arthroplastik | arthroplasty |
| Astrolabium | astrolabe |
| Astrologie | astrology |