| Rohrreinigung | drain cleaning |
| Zahnreinigung | dental cleaning teeth cleaning |
| Rohrleitung | pipeline |
| Blutreinigung | hemodialysis |
| Bereinigung | depuration |
| Reinigung | cleaning purification cleaner's |
| Vereinigung | union unification association |
| Rohrreinigungsspirale | plumber's snake |
| Trockenreinigung | dry cleaning |
| Abgasreinigung | exhaust treatment |
| Flurbereinigung | enclosure land consolidation |
| Vereidigung | swearing in |
| Verunreinigung | contamination |
| Bescheinigung | certificate |
| Einigung | unification agreement |
| Steinigung | stoning |
| Verteidigung | defence defense |
| Vorbedingung | condition precondition prerequisite |
| Röhrling | bolete |
| Ohrring | earring |