| Astronaut | astronaut |
| Astronautik | astronautics |
| Astronautin | female astronaut |
| Aeronaut | aeronaut |
| Astronomus | astronomer |
| Astrozyt | astrocyte |
| Astronom | astronomer |
| Astronym | astronym |
| Strohhut | straw hat |
| Citronat | succade |
| Zitronat | candied lemon peel |
| Argonaut | argonaut |
| Astronomin | astronomer |
| Gastronom | restaurateur |
| Kastrat | castrato |
| Mastkraut | pearlwort |
| Astana | Astana |
| Astat | astatine |
| Astroide | astroid |
| Astrolabium | astrolabe |