| regulative Regel | regulative rule |
| goldene Regel | golden rule |
| regulativ | regulatory |
| Regulativ | regulation |
| Pänultimaregel | penultimate rule |
| regulieren | regulate set |
| relative Adresse | relative address |
| relativieren | qualify relativise relativize |
| rekultivieren | returf |
| Abegg’sche Regel | Abegg's rule |
| Fregattvogel | frigatebird |
| Regeltreue | compliance |
| regulatorisch | regulatory |
| reguläres Verb | regular verb |
| Regulierung | regulation |
| konstitutive Regel | constitutive rule |
| degustieren | degust |
| fellatieren | fellate |
| relativ prim | relatively prime |
| Negativpreis | anti-award anti-prize |