| Brechungsindex | refractive index index of refraction refraction index |
| Rettungsinsel | liferaft |
| Brechung | refraction (vowel) fracture breaking |
| Rechenkunde | arithmetic |
| Rechnungswesen | accounting accountancy |
| Rettungsanker | lifesaver |
| Preisindex | price index |
| Brechbohne | green bean |
| Brechmittel | emetic |
| Brecheisen | crowbar |
| Brechnuss | nux vomica poison nut quaker buttonswith semen strychnos strychnine tree |
| Brechstange | crowbar |
| Rechenzeichen | operator |
| Rechnungsbuch | account book |
| berechnend | computative |
| Besprechungszimmer | conference room meeting room |
| Rechnungshof | Court of Accounts Court of Audit |
| Rechnungslauf | accounting process billing run |
| Rechtshänder | right-hander righty |
| zurechtfinden | get along |