| Serum | serum |
| herum | about |
| Serau | serow |
| Serbe | Serb |
| Serie | series |
| Serin | serine |
| servus | salute |
| Kerub | cherub |
| Beruf | profession occupation career job trade business |
| Peru | Peru |
| Metrum | meter |
| Struma | goitre |
| Forum | forum |
| Rum | rum |
| Utrum | common gender |
| darum | therefore around it around that |
| drum | therefore |
| warum | why wherefore how come why so |
| Sergei | Sergey |
| Serval | serval |