| Osterinsel | Easter Island |
| Osterhase | Easter Bunny |
| Osterspiel | Easter drama |
| Ostende | Ostend |
| Ostlerin | Oriental |
| Osterei | Easter egg |
| Osterfest | Easter |
| Osterfeuer | Easter fire |
| Osteria | osteria |
| Osterluzei | birthwort |
| Ostern | Easter Passover |
| ostensibel | ostensible |
| ostensiv | ostensive |
| steinen | stonen |
| Asterisk | asterisk |
| Esterel | Esterel Massif Massif de l'Esterel |
| Steinsalz | common salt rock salt rock-salt sodium chloride |
| steril | sterile |
| sterisch | steric |
| Vaterunser | Lord's Prayer Our Father |