| Sinologe | sinologist |
| Sinologie | sinology |
| Sinologin | sinologist |
| Limnologe | limnologist |
| Senologie | senology |
| Önologe | enologist |
| Sexologe | sexologist |
| Biologe | biologist |
| Sinkloch | sinkhole |
| single | single |
| Single | single |
| Singvogel | Passerine songbird |
| sinnlos | absurd senseless |
| Molinologe | molinologist |
| Phonologe | phonologist |
| Pönologie | penology |
| Selenologe | selenologist |
| Ethnologe | ethnologist |
| Kynologie | cynology |
| Limnologie | limnology |