| rechtwinklig | right-angled |
| rechtwinkelig | rectangular |
| rechteckig | rectangular |
| rechtswidrig | unlawful |
| gleichwinklig | equiangular |
| schwindlig | dizzy |
| rechtläufig | prograde |
| rechtshändig | right-handed |
| rechtsmäßig | lawful |
| rechtsseitig | dexter |
| rechtmäßig | lawful rightful legal justifiable |
| rechtsfähig | able |
| rechtzeitig | opportune duly |
| Richtigkeit | correctness rightness |
| Richtlinie | directive guideline policy principle rule |
| leichtsinnig | careless devil-may-care frivolous lightheaded |
| nachteilig | disadvantageous |
| spitzwinklig | acute-angled |
| schwindelig | dizzy giddy light-headed lightheaded vertiginous |
| schwielig | callous |