| Astronym | astronym |
| Astronom | astronomer |
| Astrozyt | astrocyte |
| Gastronom | restaurateur |
| Matronym | matronymic |
| Metronym | matronymic |
| Retronym | retronym |
| Patronym | patronym patronymic |
| Akronym | acronym |
| Antonym | antonym |
| Astronomin | astronomer |
| Astronomus | astronomer |
| Astroide | astroid |
| Astronaut | astronaut |
| Astronomie | astronomy |
| astro- | astr- |
| Strom | current torrent stream |
| Metronom | metronome |
| Agronom | agronomist |
| Backronym | backronym |