| gastro- | gastro- |
| astro- | astr- |
| Gasthof | inn |
| gastral | gastric stomachal stomachic |
| Maestro | maestro |
| Gastronom | restaurateur |
| Gästin | visitor |
| Gast | guest invitee visitor sojourner visitant |
| gastfrei | hospitable |
| Kastrat | castrato |
| blasto- | blasto- |
| Apastron | apastron |
| Bastion | bastion |
| Pastor | pastor |
| Plastron | ascot tie |
| Rasthof | service area |
| astral | astral |
| pastös | paste-like smooth pasty |
| rastlos | restless |
| Bistro | bistro |