| Senkreis | cutting |
| Feenkreis | fairy circle fairy ring |
| Inkreis | incircle |
| Senkblei | lead |
| Senker | plummet |
| Sensei | sensei |
| Besenreis | idiopathic telangiectases spider veins |
| Senke | depression sink |
| Senkel | switchback aplomb |
| senken | lower |
| senkrecht | vertical perpendicular |
| Denkweise | mindset |
| Kornkreis | crop circle |
| Pankreas | pancreas salivary gland of the abdomen |
| Synkretist | syncretist |
| Kreis | circle district |
| Landkreis | county |
| Sekret | secretion |
| Sperrkreis | wave trap |
| Tierkreis | zodiac |