| -sicher | -proof |
| sicher | safe sure certain self-assured |
| Sichel | sickle crescent |
| Sichler | ibis |
| sichern | protect safeguard secure save |
| unsicher | unsafe uncertain insecure |
| Reicher | affluent |
| Oscher | apple of Sodom |
| Sucher | seeker finder |
| besichern | collateralize |
| zusichern | assert |
| Sicht | sight view visibility point of view |
| absichern | guarantee make sure |
| gesichert | secured |
| sich | herself himself itself oneself themselves each other one another |
| sicheln | cut with a sickle |
| sichten | sight look through |
| sicken | piss |
| sickern | ooze seep leak |
| todsicher | dead sure |